environmental researchers discussing coastal pollution investigation at industrial harbor - 訊息資源 個影片檔及 b 捲影像00:17
environmental researchers collecting water samples in rocky coastal drainage area - 訊息資源 個影片檔及 b 捲影像00:12
man, university and typing in computer lab for study resources, web research and knowledge. student, person and digital tech in college for learning material, academic improvement or thesis citation - 訊息資源 個影片檔及 b 捲影像00:13
man, university and reading in computer lab for study resources, web research and knowledge. student, person and glasses in college for learning material, academic improvement or thesis citation - 訊息資源 個影片檔及 b 捲影像00:10
college, research and computer with people in library for thesis study, assignment reference and education. university portal, team and academic report with students on campus for online course - 訊息資源 個影片檔及 b 捲影像00:18
woman, university and typing in computer lab for study resources, web research and knowledge. student, person and tech in college for learning material, academic improvement or thesis citation - 訊息資源 個影片檔及 b 捲影像00:07
college, study and computer with people in library for thesis research, assignment reference and education. university portal, team and academic report with students on campus for online course - 訊息資源 個影片檔及 b 捲影像00:09
woman, student and typing in library with laptop, research and exam preparation for education. female person, reading and notebook at campus with pc, study notes and university schedule for learning - 訊息資源 個影片檔及 b 捲影像00:13
education, study and computer with people in library for thesis research, assignment reference and college. university portal, team and academic report with students on campus for online course - 訊息資源 個影片檔及 b 捲影像00:09
man, student and reading in library with laptop, research and exam preparation for education. male person, people and notebook at campus with tech, writing notes and university schedule for learning - 訊息資源 個影片檔及 b 捲影像00:17
college, learning and computer with people in library for thesis research, assignment reference and education. university portal, team and academic report with students on campus for online course - 訊息資源 個影片檔及 b 捲影像00:06
woman, student and books in library with laptop, research and exam preparation for education. female person, writing and notebook at campus with tech, study notes and university schedule for learning - 訊息資源 個影片檔及 b 捲影像00:14
college, discussion and computer with people in library for thesis research, assignment reference and education. university portal, team and academic report with students on campus for online course - 訊息資源 個影片檔及 b 捲影像00:08
woman, student and reading in library with laptop, research and exam preparation for education. female person, writing and notebook at campus with pc, study notes and university schedule for learning - 訊息資源 個影片檔及 b 捲影像00:06
woman, student and writing in library with laptop, research and exam preparation for education. female person, reading and notebook at campus with pc, study notes and university schedule for learning - 訊息資源 個影片檔及 b 捲影像00:09
man, student and writing in library with laptop, research and exam preparation for education. male person, reading and notebook at campus with pc, study reminder and university schedule for learning - 訊息資源 個影片檔及 b 捲影像00:08
woman, college and face in library for study resources, textbook research and knowledge. student, person and portrait in university for learning material, academic improvement or thesis citation - 訊息資源 個影片檔及 b 捲影像00:09
college, team and laptop with people in library for thesis research, assignment reference and education. university portal, talk and academic report with students on campus for online social study - 訊息資源 個影片檔及 b 捲影像00:08
search, college student and book choice in library for academic info, study research or learning. university, girl or browse resources at bookshelf for thesis citation, knowledge and fiction interest - 訊息資源 個影片檔及 b 捲影像00:15
women, college and together in library for study resources, textbook research and knowledge. student, team and people in university for learning material, academic collaboration or thesis citation - 訊息資源 個影片檔及 b 捲影像00:09
woman, university and student choice in library for study resources, research and knowledge. person, backpack and book on college campus for learning material, academic improvement or citation - 訊息資源 個影片檔及 b 捲影像00:15
man, university and search in library for study resources, textbook research and knowledge. student, person and glasses in college campus for learning material, academic improvement or citation - 訊息資源 個影片檔及 b 捲影像00:12
woman, college and reading in library for study resources, textbook research and knowledge. student, person and glasses in university for learning material, academic improvement or thesis citation - 訊息資源 個影片檔及 b 捲影像00:09
walk, college student and search books in library for academic info, study research or learning. university, girl and browse resources at bookshelf for thesis citation, knowledge and fiction interest - 訊息資源 個影片檔及 b 捲影像00:12
learning, college student or book choice in library for academic source, essay research or study. university, girl or textbook decision on campus for thesis citation, search information and knowledge - 訊息資源 個影片檔及 b 捲影像00:16
woman, university and reading in library for study resources, textbook research and knowledge. student, person and glasses in college for learning material, academic improvement or thesis citation - 訊息資源 個影片檔及 b 捲影像00:09
face, woman and student at library with book, research and college thesis for education. portrait, female person or learning at campus with textbook, studying and university information for knowledge - 訊息資源 個影片檔及 b 捲影像00:07
woman, university and student reading in library for study resources, research and knowledge. person, backpack and book on college campus for learning material, academic improvement or citation - 訊息資源 個影片檔及 b 捲影像00:10
man, college and reading in library for study resources, textbook research and knowledge. student, person and glasses in university for learning material, academic improvement or thesis citation - 訊息資源 個影片檔及 b 捲影像00:07
man, university and student search in library for study resources, textbook research and knowledge. gen z, person and glasses in college campus for learning material, academic improvement or citation - 訊息資源 個影片檔及 b 捲影像00:09
man, university and choice in library for study resources, textbook research and knowledge. student, person and glasses in college campus for learning material, academic improvement or citation - 訊息資源 個影片檔及 b 捲影像00:09
woman, college and student search in library for study resources, research and knowledge. gen z person, book and choice on university campus for learning material, academic improvement or citation - 訊息資源 個影片檔及 b 捲影像00:13
woman, college and reading in library for textbook research, study resources and knowledge. student, person and education in university for learning material, academic improvement or thesis citation - 訊息資源 個影片檔及 b 捲影像00:05
woman, university and face in library for study resources, textbook research and knowledge. student, person and portrait in college for learning material, academic improvement or thesis citation - 訊息資源 個影片檔及 b 捲影像00:05
man, university and reading in library for study resources, textbook research and knowledge. student, person and glasses in college for learning material, academic improvement or thesis citation - 訊息資源 個影片檔及 b 捲影像00:06
woman, university and student with headphones in library for study resources, research and knowledge. person, music and book choice in college for learning material, academic improvement or citation - 訊息資源 個影片檔及 b 捲影像00:08
woman, college and student reading in library for study resources, research and knowledge. gen z person, book and choice on university campus for learning material, academic improvement or citation - 訊息資源 個影片檔及 b 捲影像00:14
man, university and student reading in library for study resources, research and knowledge. gen z person, glasses and book on college campus for learning material, academic improvement or citation - 訊息資源 個影片檔及 b 捲影像00:11
woman, university and student in library for study resources, research choice and knowledge. gen z person, literature or book on college campus for learning material, academic improvement or citation - 訊息資源 個影片檔及 b 捲影像00:12
woman, university and student reading in library for study resources, research and knowledge. gen z person, book and choice on college campus for learning material, academic improvement or citation - 訊息資源 個影片檔及 b 捲影像00:09
education, college student or book choice in library for academic source, essay research or study. university, man or textbook decision at bookshelf for thesis citation, course resources or knowledge - 訊息資源 個影片檔及 b 捲影像00:08
wide, high-angle, panning view of the big bang fair at the excel exhibition and convention centre in london for young scientists and engineers -... - 訊息資源 個影片檔及 b 捲影像00:17
robot hands interacting with laptop keyboard in dark environment with neon lighting - 訊息資源 個影片檔及 b 捲影像00:16
teacher and elementary students demonstrating teamwork during sustainability lesson - 訊息資源 個影片檔及 b 捲影像00:14
a wide-eyed baby lies on a bright indoor floor, clutching a teether and exploring with their senses, capturing a key growth stage of early childhood. - 訊息資源 個影片檔及 b 捲影像00:17
a wide-eyed baby lies on a bright indoor floor, clutching a teether and exploring with their senses, capturing a key growth stage of early childhood. - 訊息資源 個影片檔及 b 捲影像00:19
a wide-eyed baby lies on a bright indoor floor, clutching a teether and exploring with their senses, capturing a key growth stage of early childhood. - 訊息資源 個影片檔及 b 捲影像00:05
a wide-eyed baby lies on a bright indoor floor, clutching a teether and exploring with their senses, capturing a key growth stage of early childhood. - 訊息資源 個影片檔及 b 捲影像00:11
a wide-eyed baby lies on a bright indoor floor, clutching a teether and exploring with their senses, capturing a key growth stage of early childhood. - 訊息資源 個影片檔及 b 捲影像00:12
a wide-eyed baby lies on a bright indoor floor, clutching a teether and exploring with their senses, capturing a key growth stage of early childhood. - 訊息資源 個影片檔及 b 捲影像00:12
national parks conservation association director of cultural resources tariq zahran says at a news conference on creation of the national parks... - 訊息資源 個影片檔及 b 捲影像00:52
