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
3:27
Educational
Environmental Laws Through the Decades in the United States
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
Aristotle's guide to the good life | Nicomachean Ethics
B1
29:19
ENGLISH SPEECH | ANNE HATHAWAY: Paid Family Leave (English Subtitles)
B1
12:52
San Junipero - Heaven Is A Place On Earth (Black Mirror 3x04)
B1
4:02
My Daily Routine | Listen and Speak | Improve your English
B1
11:51
Daphne & Simon's First Kiss: Bridgerton Season 1 /Kissing Scene #bridgerton #netflix #subscribe
B1
2:48
UF Thompson Earth Systems Institute TESI
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
