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
Crohn's disease (Crohn disease) - causes, symptoms & pathology
B1
6:38
Real Morning English Conversations for Daily Life & Work |Day 1 |Shadowing English Speaking Practice
B1
7:44
Starlee Kine - This American Life - Return to the Scene of the Crime
B1
12:49
Harry Potter and the Philosopher's Stone - First Quidditch Match Part 1 (HDR - 4K - 5.1)
B1
4:52
Cirrhosis - causes, symptoms, diagnosis, treatment, pathology
B1
9:48
E! 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
