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 speaks at Agnes Scott College's 128th Commencement
B1
28:30
Do You Talk to Yourself? Here’s How to Harness Your Inner Voice | Ethan Kross | TED
B1
12:53
Nuclear Energy Explained: How does it work? 1/3
B1
4:44
ChemMatters: The Science Behind Calories and Nutrition Facts Labels
B1
6:12
John Wick | Aurelio's Car Shop | Keanu Reeves | 1080p | HD
B1
3:33
Top Fives
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
