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
Oprah Winfrey's 2008 Stanford Commencement Address
B1
29:54
FIFA Gives Trump a Gold Pacifier & Looming War on Venezuela Gives Jon Iraq Déjà Vu | The Daily Show
B1
23:32
How To Build Muscle Almost 2x Faster (NEW RESEARCH)
B1
8:52
Why your favorite movies fake their locations
B2
8:53
President Obama's COSMOS Introduction | Cosmos: A Spacetime Odyssey
B1
0:30
Moon
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
