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
11:06
Educational
What is Science? | Introduction To Science | Definition of science | Types of science | Letstute
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
Waking Up - SNL
B1
4:59
Gerard Butler Makes His Accent Stronger When He Goes to Scotland
B1
0:57
Harry Potter and the Philosopher's Stone - Harry, Hermione and Ron meet for the first time
B1
3:35
Kevin Hart's Funniest Interview Moments | Hart to Heart
B1
13:01
The Moth Presents: John Turturro | Stumbling in the Dark
B1
18:54
Let'stute
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
