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
3:18
Educational
What are proteins? - Healthy Eating for Kids
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
Adam Ondra Opens Up About Free Soloing & Dangerous Trad Climbing
B1
8:42
Why Women Need To Get Serious About Strength | Dr. Jaime Seeman | TEDxGreenhouse Road
B1
11:00
Hank Uncovers Gus's Meth Business | Problem Dog | Breaking Bad
B1
5:20
Stranger Things 3 Recap | Netflix
B1
5:33
What Is Diwali?
B1
4:25
Smile and Learn - English
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
