All
9,032 | 19:29duration 19 minutes 29 seconds
牙齒
ronson@hkecl.net 23/2/2020
59,628 | 14:50duration 14 minutes 50 seconds
保護身體
ronson@hkecl.net 20/2/2020
63,822 | 14:53duration 14 minutes 53 seconds
我要放屁了!(身體的奧秘──消化系統篇) (中、英文字幕可供選擇)
ronson@hkecl.net 13/2/2020
2,862 | 19:36duration 19 minutes 36 seconds
聲音和耳
ronson@hkecl.net 25/2/2020
360 | 19:29duration 19 minutes 29 seconds
Sound and the Ear (English subtitles available)
ronson@hkecl.net 27/2/2020
3,820 | 10:14duration 10 minutes 14 seconds
Thank You, Hat Monster (English subtitles…
Thank You, Hat Monster (English subtitles available)
ronson@hkecl.net 29/2/2020
1,056 | 19:56duration 19 minutes 56 seconds
Unifying Concepts in Science (English subtitles…
Unifying Concepts in Science (English subtitles available)
ronson@hkecl.net 14/2/2020
2,570 | 14:56duration 14 minutes 56 seconds
Cooking with Idioms (English subtitles available)
ronson@hkecl.net 19/2/2020
717 | 04:07duration 4 minutes 7 seconds
Short sight, long sight and their correction…
Short sight, long sight and their correction (Demonstration) (English subtitles available)
ronson@hkecl.net 26/2/2020
開始和結束時間:
開始時間: