asian woman studying for the exam or researching for a project research before writing an article - 百科全書 個影片檔及 b 捲影像00:14
asian woman studying for the exam or researching for a project research before writing an article - 百科全書 個影片檔及 b 捲影像00:18
asian woman studying for the exam or researching for a project research before writing an article - 百科全書 個影片檔及 b 捲影像00:35
asian woman studying for the exam or researching for a project research before writing an article - 百科全書 個影片檔及 b 捲影像00:31
asian woman studying for the exam or researching for a project research before writing an article - 百科全書 個影片檔及 b 捲影像00:18
shows children how to use the encyclopedia. covers key word selection, alphabetical topic arrangement, guide words, sub-topic headings, pictures,... - 百科全書 個影片檔及 b 捲影像00:32
talking with thoreau - part 46 of 49. what can a gentle 19th-century philosopher possibly say to a modern, urban-oriented society? borrowing a "time travel" technique from science fiction, four contemporary americans drop in at walden pond for a chat with - 百科全書 個影片檔及 b 捲影像00:38
talking with thoreau - part 45 of 49. what can a gentle 19th-century philosopher possibly say to a modern, urban-oriented society? borrowing a "time travel" technique from science fiction, four contemporary americans drop in at walden pond for a chat with - 百科全書 個影片檔及 b 捲影像00:38
keeping your teeth healthy (2nd edition) - part 12 of 12. an informative and non-threatening introduction to the importance of proper teeth care for the young viewer. the film illustrates routine procedures to protect teeth and prevent decay, and explains - 百科全書 個影片檔及 b 捲影像00:33
keeping your teeth healthy (2nd edition) - part 11 of 12. an informative and non-threatening introduction to the importance of proper teeth care for the young viewer. the film illustrates routine procedures to protect teeth and prevent decay, and explains - 百科全書 個影片檔及 b 捲影像00:27可樂
keeping your teeth healthy (2nd edition) - part 10 of 12. an informative and non-threatening introduction to the importance of proper teeth care for the young viewer. the film illustrates routine procedures to protect teeth and prevent decay, and explains - 百科全書 個影片檔及 b 捲影像00:28
keeping your teeth healthy (2nd edition) - part 9 of 12. an informative and non-threatening introduction to the importance of proper teeth care for the young viewer. the film illustrates routine procedures to protect teeth and prevent decay, and explains - 百科全書 個影片檔及 b 捲影像00:34辦公室
keeping your teeth healthy (2nd edition) - part 8 of 12. an informative and non-threatening introduction to the importance of proper teeth care for the young viewer. the film illustrates routine procedures to protect teeth and prevent decay, and explains - 百科全書 個影片檔及 b 捲影像00:32
keeping your teeth healthy (2nd edition) - part 7 of 12. an informative and non-threatening introduction to the importance of proper teeth care for the young viewer. the film illustrates routine procedures to protect teeth and prevent decay, and explains - 百科全書 個影片檔及 b 捲影像00:31
keeping your teeth healthy (2nd edition) - part 6 of 12. an informative and non-threatening introduction to the importance of proper teeth care for the young viewer. the film illustrates routine procedures to protect teeth and prevent decay, and explains - 百科全書 個影片檔及 b 捲影像00:33
keeping your teeth healthy (2nd edition) - part 5 of 12. an informative and non-threatening introduction to the importance of proper teeth care for the young viewer. the film illustrates routine procedures to protect teeth and prevent decay, and explains - 百科全書 個影片檔及 b 捲影像00:30美國
keeping your teeth healthy (2nd edition) - part 4 of 12. an informative and non-threatening introduction to the importance of proper teeth care for the young viewer. the film illustrates routine procedures to protect teeth and prevent decay, and explains - 百科全書 個影片檔及 b 捲影像00:27
keeping your teeth healthy (2nd edition) - part 3 of 12. an informative and non-threatening introduction to the importance of proper teeth care for the young viewer. the film illustrates routine procedures to protect teeth and prevent decay, and explains - 百科全書 個影片檔及 b 捲影像00:31
keeping your teeth healthy (2nd edition) - part 2 of 12. an informative and non-threatening introduction to the importance of proper teeth care for the young viewer. the film illustrates routine procedures to protect teeth and prevent decay, and explains - 百科全書 個影片檔及 b 捲影像00:35
keeping your teeth healthy (2nd edition) - part 1 of 12. an informative and non-threatening introduction to the importance of proper teeth care for the young viewer. the film illustrates routine procedures to protect teeth and prevent decay, and explains - 百科全書 個影片檔及 b 捲影像00:38情緒壓力
first aid on the spot (4th edition) - part 15 of 15. the film demonstrates what must be done to treat accidents such as cuts, burns, and poisonings and describes the role of emergency medical technicians in providing first aid - 百科全書 個影片檔及 b 捲影像00:34美國
first aid on the spot (4th edition) - part 14 of 15. the film demonstrates what must be done to treat accidents such as cuts, burns, and poisonings and describes the role of emergency medical technicians in providing first aid - 百科全書 個影片檔及 b 捲影像00:36
first aid on the spot (4th edition) - part 13 of 15. the film demonstrates what must be done to treat accidents such as cuts, burns, and poisonings and describes the role of emergency medical technicians in providing first aid - 百科全書 個影片檔及 b 捲影像00:31
first aid on the spot (4th edition) - part 12 of 15. the film demonstrates what must be done to treat accidents such as cuts, burns, and poisonings and describes the role of emergency medical technicians in providing first aid - 百科全書 個影片檔及 b 捲影像00:35美國
first aid on the spot (4th edition) - part 11 of 15. the film demonstrates what must be done to treat accidents such as cuts, burns, and poisonings and describes the role of emergency medical technicians in providing first aid - 百科全書 個影片檔及 b 捲影像00:32
first aid on the spot (4th edition) - part 10 of 15. the film demonstrates what must be done to treat accidents such as cuts, burns, and poisonings and describes the role of emergency medical technicians in providing first aid - 百科全書 個影片檔及 b 捲影像00:34
first aid on the spot (4th edition) - part 9 of 15. the film demonstrates what must be done to treat accidents such as cuts, burns, and poisonings and describes the role of emergency medical technicians in providing first aid - 百科全書 個影片檔及 b 捲影像00:30摔角
first aid on the spot (4th edition) - part 8 of 15. the film demonstrates what must be done to treat accidents such as cuts, burns, and poisonings and describes the role of emergency medical technicians in providing first aid - 百科全書 個影片檔及 b 捲影像00:32
first aid on the spot (4th edition) - part 7 of 15. the film demonstrates what must be done to treat accidents such as cuts, burns, and poisonings and describes the role of emergency medical technicians in providing first aid - 百科全書 個影片檔及 b 捲影像00:35
first aid on the spot (4th edition) - part 6 of 15. the film demonstrates what must be done to treat accidents such as cuts, burns, and poisonings and describes the role of emergency medical technicians in providing first aid - 百科全書 個影片檔及 b 捲影像00:28
first aid on the spot (4th edition) - part 5 of 15. the film demonstrates what must be done to treat accidents such as cuts, burns, and poisonings and describes the role of emergency medical technicians in providing first aid - 百科全書 個影片檔及 b 捲影像00:29
first aid on the spot (4th edition) - part 4 of 15. the film demonstrates what must be done to treat accidents such as cuts, burns, and poisonings and describes the role of emergency medical technicians in providing first aid - 百科全書 個影片檔及 b 捲影像00:33美國
first aid on the spot (4th edition) - part 3 of 15. the film demonstrates what must be done to treat accidents such as cuts, burns, and poisonings and describes the role of emergency medical technicians in providing first aid - 百科全書 個影片檔及 b 捲影像00:29
first aid on the spot (4th edition) - part 2 of 15. the film demonstrates what must be done to treat accidents such as cuts, burns, and poisonings and describes the role of emergency medical technicians in providing first aid - 百科全書 個影片檔及 b 捲影像00:29
first aid on the spot (4th edition) - part 1 of 15. the film demonstrates what must be done to treat accidents such as cuts, burns, and poisonings and describes the role of emergency medical technicians in providing first aid - 百科全書 個影片檔及 b 捲影像00:28
energy: a matter of choices - part 23 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:34
energy: a matter of choices - part 22 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:36
energy: a matter of choices - part 21 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:29
energy: a matter of choices - part 20 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:30煙霧 - 空氣污染
energy: a matter of choices - part 19 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:30
energy: a matter of choices - part 18 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:31
energy: a matter of choices - part 17 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:32家庭電器, 女人
energy: a matter of choices - part 16 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:32女人
energy: a matter of choices - part 15 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:30
energy: a matter of choices - part 14 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:29
energy: a matter of choices - part 13 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:35
energy: a matter of choices - part 12 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:32
energy: a matter of choices - part 11 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:30
energy: a matter of choices - part 10 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:34美國
energy: a matter of choices - part 9 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cri - 百科全書 個影片檔及 b 捲影像00:30報紙頭條, 報紙
energy: a matter of choices - part 8 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cri - 百科全書 個影片檔及 b 捲影像00:30
energy: a matter of choices - part 7 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cri - 百科全書 個影片檔及 b 捲影像00:32
energy: a matter of choices - part 6 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cri - 百科全書 個影片檔及 b 捲影像00:30美國
energy: a matter of choices - part 5 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cri - 百科全書 個影片檔及 b 捲影像00:33
energy: a matter of choices - part 4 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cri - 百科全書 個影片檔及 b 捲影像00:33美國
energy: a matter of choices - part 3 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cri - 百科全書 個影片檔及 b 捲影像00:35
energy: a matter of choices - part 2 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cri - 百科全書 個影片檔及 b 捲影像00:28
energy: a matter of choices - part 1 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cri - 百科全書 個影片檔及 b 捲影像00:26拍手, 閃電
energy: a matter of choices - part 38 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:24
energy: a matter of choices - part 37 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:32阿拉斯加州
energy: a matter of choices - part 36 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:31
energy: a matter of choices - part 35 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:31
energy: a matter of choices - part 34 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:37美國
energy: a matter of choices - part 33 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:32美國
energy: a matter of choices - part 32 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:32
energy: a matter of choices - part 31 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cr - 百科全書 個影片檔及 b 捲影像00:32
