About TED-Ed:回饋循環:萬物如何去依循 results of 10,000
05:21
03:02
10:00
08:12
55:10
06:32
04:48
06:49
04:21
05:31
03:55
05:22
13:21
02:39
05:59
05:36
06:40
03:01
10:28
03:05
10:36
10:08
04:34
10:46
04:35
02:57
07:16
02:16
01:25
03:55
05:55
03:20
13:08
11:15
12:17
03:06
06:57
03:41
05:24
07:06
01:53
84:36
10:32
04:02
06:23
09:35