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
Toxic workplace culture and When employees no longer care. (Office Space)
B1
1:38
Rainbow Cookware | Introduction
B1
0:59
Opening Scene from Bao | Pixar Side by Side
B1
2:15
Disney's Frozen "Let It Go" Sequence Performed by Idina Menzel
B1
3:39
Freeform
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
