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
The Crown: Falklands War & Tribute to Margaret Thatcher
B1
5:28
Adam Sandler and Bad Bunny Freaked Out When They First Met Each Other, Talk Happy Gilmore 2 Cameos
B1
17:24
Dublin busker singing go on home British soldiers in dublin
B1
2:29
Snack Attack
B1
4:42
Girl Lives A Fake Life On Social Media | @DramatizeMe
B1
19:53
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
