half yellow and half green colored powder exploding towards camera in close up and super slow-motion, white background - 橫切面 個影片檔及 b 捲影像00:44發光的, 爆炸, 綠色
instructor lecturing officers on mechanical drawing at the maritime service officers' school / alameda, california, united states - 橫切面 個影片檔及 b 捲影像00:31
medical technician performing cat scan on patient to see cross sections of organs on computer screen / united kingdom - 橫切面 個影片檔及 b 捲影像00:30