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
B1 中级
英语
6:38
Educational
Crohn's disease (Crohn disease) - causes, symptoms & pathology
学习统计
B1
CEFR 等级
5/10
难度
评论 (0)
登录后评论
还没有评论。成为第一个分享想法的人！
互动模式
测验
正确！
不太对。
正确答案：
相关视频
Introduction to Pharmaceutics: Drugs, Excipients & Medicines
B1
17:53
South Park Most Funny Moments
B1
5:17
How science fiction can help predict the future - Roey Tzezana
B1
5:22
Learn Real-Life English: What I Eat Every Day (Healthy Eating) | Comprehensible Input
B1
22:34
Worst Job Interview: UP Guy
B1
2:54
Osmosis from Elsevier
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
