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
23:15
Educational
Adaptive (Acquired) Immunity - Immunology - Biology 🧬 of Immune System
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
Homebody in New York | What I Eat in a Day (easy meals, food I've been craving, fitness journey)
B1
12:58
Enjoy This Purple Hearts Deleted Scene | Purple Hearts | Netflix Philippines
B1
1:55
London, how many languages do you speak?
B1
10:17
The strongest predictor for success | Angela Lee Duckworth
B1
3:09
Jerry Seinfeld I'm Telling You For The Last Time Pain Relief
B1
1:14
Medicosis Perfectionalis
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
