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
Rheumatoid arthritis - causes, symptoms, diagnosis, treatment, pathology
B1
12:28
Arcane | Vi vs. Sevika (Bar Fight)
B1
2:48
What’s the best position to sleep in? - Rachel Marie E. Salas
B2
5:11
Homelander and Queen Maeve DON'T save people | THE BOYS (S1E4)
B1
4:58
Trump Urges Congress to Pass His “Great Health Care Plan"
B1
8:59
BBC 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
