The video owner has disabled playback on external websites.
This video is no longer available on YouTube.
This video cannot be played right now.
Watch on YouTube
互动模式
测验
正确！
不太对。
正确答案：
相关视频
Witness to Steve Irwin's Death - Smarter Every Day116
B1
7:46
The Enormous TREE(3) - Numberphile
B1
9:00
American Psycho - Office Interrogation - 1080 HD
B1
5:48
Henry Cavill Picks Red Dead Redemption 2 Movie Over OTHER Games
B1
0:33
ANTI-BURNOUT EVENING ROUTINE | steps that work, home pilates, pampering myself, cooking, diy crafts
B1
26:29
HBO
测验
正确！
不太对。
正确答案：
观看视频时会出现测验
记忆技巧
来自此视频
免费开始学语言
