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
Emily's Science Lab - Floating Soap Experiment - Density Experiment for Kids
B1
4:48
The 8 Parts of Speech in English Grammar (+ Free PDF & Quiz)
B1
15:04
We’re Experts in Fascism. We’re Leaving the U.S. | NYT Opinion
B1
6:54
my 5am morning routine as a college student (realistic & productive)
B1
9:01
The Matrix Meeting Morpheus Scene HD
B1
4:48
NyvL
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
