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
I left the country ALONE for the first time... | London vlog pt. 1
B1
27:10
Asthma - causes, symptoms, diagnosis, treatment, pathology
B1
7:20
Jean Ritchie sings "Lord Thomas and Fair Ellender" and "The Cuckoo" (1986) | Appalachian ballads
B1
11:56
Pixar - Bao (Short Film )
B1
2:44
The Funniest Game We've EVER Played
B1
18:05
Team Coco
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
