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
The Man Who Steals Dreams And Unleashes New Ideas | Inception Movie Recap
B1
8:13
Alex Ovechkin strips, flips and dips into his pond
B1
1:14
When the FRENCH ACCENT isn't SEXY
B1
1:24
The Perks of Working at a Froyo Shop - Key & Peele
B1
2:34
Mad Max: Fury Road - I Live, I Die, I Live Again Scene (2/10) | Movieclips
B1
3:10
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
