About TED-Ed:回饋循環:萬物如何去依循 results of 10,000
08:50
06:46
05:28
07:03
08:24
03:50
06:01
10:09
12:10
06:44
08:10
08:47
02:48
04:43
03:46
11:37
05:25
02:42
05:55
00:59
03:06
11:42
19:18
03:23
14:06
45:04
04:19
03:46
04:44
02:09
09:05
47:56
10:01
16:29
11:25
09:21
01:35
06:32
07:05
05:24
03:12
03:15
02:40
02:29
10:38
06:56