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 to Make Learning as Addictive as Social Media | Duolingo's Luis Von Ahn | TED
B1
12:55
Personality Disorders - Psychiatric Mental Health for Nursing Students | @LevelUpRN
B1
5:39
Climate change threatens Canada's rural communities, report says
B1
1:59
Iran on high alert as US sends aircraft carrier group to Middle East | ABC NEWS
B1
2:41
Squid Game (Arab Version) | Anwar Jibawi
B1
6:09
Re: 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
