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
4:12
Educational
Immune system - Introduction, Innate Immunity & Inflammation: Medical-Surgical | @LevelUpRN
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
Sansa arrives with the Knights of the Vale | Game of Thrones: 6x09 | HD 1080p
B1
2:22
These Native American Proverbs Are Life Changing
B1
5:20
Liar Liar (7/9) Movie CLIP - Roasting the Committee (1997) HD
B1
3:17
Red Rocking Chair - Coon Creek Girls - Appalachian Folk
B1
1:59
Stephen Curry on His Book Shot Ready and Getting Elbowed by Kobe Bryant on the Court (Extended)
B1
9:58
Level Up RN
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
