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
Why do so many cultures have dragon legends? - Timothy J. Burbery
B2
5:31
the office dinner party but there's no context | Comedy Bites
B1
3:34
"Gladiator Fights Alone" In The Capua Arena - Gladiator 2000
B1
2:25
Testing CRAZY Beauty Products with Safiya Nygaard!
B1
25:17
Coco Animation Progression Reel | Pixar
B1
1:26
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
