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
正确答案:
相关视频
Paddington | Funniest Moments - Part 1 | Fetching Frivolities
How Being Bold Will Change Your Life | Gregory Russell Benedikt | TEDxSan Diego Studio
How to stay calm when you know you'll be stressed | Daniel Levitin | TED
Emily's Science Lab - Floating Soap Experiment - Density Experiment for Kids
How to make the short vowel sounds (New Zealand accent)
Mana
测验
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