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
1:58
Educational
BSc Sport & Exercise Science - University of Portsmouth
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
Understanding the Immune System in One Video
B1
15:17
5 Giant Ice Age Animals | Natural History for Kids
B1
4:55
Chronic kidney disease - causes, symptoms, diagnosis, treatment, pathology
B1
8:40
Samuel E. Wright - Under the Sea (from The Little Mermaid) (Official Video)
B1
3:27
Best Friends Challenge with Ariana Grande
B1
5:56
University of Portsmouth
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
