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
The truth about assisted dying | Dr. Stefanie Green | TEDxSurrey
B1
10:28
Auli'i Cravalho - How Far I'll Go (Sing-Along) (From "Moana")
B1
2:38
The Science of Flirting: Being a H.O.T. A.P.E. | Jean Smith | TEDxLSHTM
B1
11:38
I Won Mr. Beast's $1,000,000 Youtuber Challenge
B1
24:37
9 Tips for the PERFECT Summer Wedding
B1
16:34
Nick Snow
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
