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
互动模式
测验
正确！
不太对。
正确答案：
相关视频
Plant biotechnology - Agrobacterium transformation
B1
21:06
A Worst-Case-Scenario Job Interview - Key & Peele
B1
4:18
Early Learning Stories | I See | Phonics | Stories for Kindergarten
B1
11:20
Articles – English Grammar Lessons
B1
7:13
SALES Interview Questions & Answers! (How to PASS a Sales Interview!)
B1
20:24
SABC News
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
