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
How AI is Revolutionizing Medicine
B1
7:51
Turbulent Flow is MORE Awesome Than Laminar Flow
B1
18:32
great scientists have a questioning mind in marathi | std 7th english 2.6 great scientists gave a
B1
9:54
An Introduction to Genetics and Heredity - Gregor Mendel and DNA
B1
3:14
Seinfeld Soup Nazi - "No soup for you!"
B1
0:51
ABC News
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
