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
Free Solo - Clip 1
B1
1:26
Equatorial Coordinate System Explained: How Astronomers Navigate the Celestial Sphere
B1
3:47
Best Great British Bake Off Moments of Each Year (Series 1-15)
B1
15:58
Hamilton Original Broadway Cast Zoom Performance "Alexander Hamilton"
B1
4:35
Jiro Dreams of Sushi - Official Trailer
B1
2:04
Netflix
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
