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
Best Penguin Moments | BBC Earth
B1
24:11
Become Addicted To Discipline With These 6 Strategies
B1
15:01
Game Addiction - I: Myths About Gaming's Impact on Health - Extra Credits
B1
6:36
Breaking Bad ∙ Season 1 Recap ∙ A struggling chemistry teacher becomes a powerful drug lord
B1
20:03
World’s Grumpiest Cat I Frozen Planet II I BBC
B1
2:59
HBO
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
