young woman studies by rain-streaked window, framed by soft light and quiet focus - 練習簿 個影片檔及 b 捲影像00:05
young woman studies by rain-streaked window, framed by soft light and quiet focus - 練習簿 個影片檔及 b 捲影像00:07
mother and son with face masks to protect and prevent from the infection with coronavirus doing homework outside. - 練習簿 個影片檔及 b 捲影像00:33
in this handout footage provided by u.s. department of defense, u.s. and international forces together with marine air ground task force unload from... - 練習簿 個影片檔及 b 捲影像00:04
october 19, 2010 elementary school students sitting at their desks and writing in their workbooks during classroom lessons / mozambique - 練習簿 個影片檔及 b 捲影像00:32
october 19, 2010 the hands of an elementary school student flipping through the pages of his workbook and then beginning to write during class /... - 練習簿 個影片檔及 b 捲影像00:36
october 19, 2010 elementary school students during class, sitting at desks and taking out their workbooks / mozambique - 練習簿 個影片檔及 b 捲影像00:27
ms selective focus children (6-7) writing in classroom / jersey city, new jersey state, usa - 練習簿 個影片檔及 b 捲影像00:21
cu selective focus children (6-7) writing in classroom / jersey city, new jersey state, usa - 練習簿 個影片檔及 b 捲影像00:22
medium shot pan female elementary school students listening to teacher read / writing - 練習簿 個影片檔及 b 捲影像00:23
