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
Loki's Glorious Purpose | Loki Season 2 Finale | Loki Becomes God Of Stories Clip | Full HD
B1
4:43
"Go the Distance" - Broadway's Leading Men Concert
B1
3:55
Easy English 19 - Message to the world
B1
4:08
When Will We Run Out Of Names?
B1
10:53
Game of Thrones Season 7 Episode 4, Daenerys army attacks the Lannisters, Epic scene
B1
4:45
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
