All
16,700 | 14:42duration 14 minutes 42 seconds
體積(二)
ronson@hkecl.net
4,261 | 19:49duration 19 minutes 49 seconds
續面積和體積 (二) (中文字幕可供選擇)
2,068 | 20:35duration 20 minutes 35 seconds
續立體圖形與三角
196 | 20:18duration 20 minutes 18 seconds
分子運動論 (配以中、英文字幕)
jackieyclee edb-jackieyclee
4,745 | 03:11duration 3 minutes 11 seconds
阿基米德原理 (中文字幕可供選擇)
798 | 19:49duration 19 minutes 49 seconds
More about Areas and Volumes (2) (English…
More about Areas and Volumes (2) (English subtitles available)
4,033 | 15:03duration 15 minutes 3 seconds
物件有多大
699 | 19:43duration 19 minutes 43 seconds
Areas and Volumes (English subtitles available)
1,024 | 15:02duration 15 minutes 2 seconds
More about 3-Dimensional figures (English…
More about 3-Dimensional figures (English subtitles available)
15,614 | 15:07duration 15 minutes 7 seconds
固體廢物的處理
3,468 | 00:48duration 48 seconds
水的三態
54 | 20:04duration 20 minutes 4 seconds
Kinetic Theory (Chinese and English subtitles…
Kinetic Theory (Chinese and English subtitles available)
開始和結束時間:
開始時間: