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
Lessons from the Past on Adapting to Climate Change | Laprisha Berry Daniels | TED
B1
9:04
"Morning Train" (Kramer) - Seinfeld Clip
B1
0:35
The Quakers, the Dutch, and the Ladies: Crash Course US History #4
B1
11:38
Chimp Crazy | Official Trailer | HBO
B1
2:31
Crash Course Scientific Thinking Preview
B1
2:55
Rocky64
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
