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

解锁AI学习工具

注册即可使用强大工具，帮助你从每个视频中更快地学习。

场景解析 短语猎手 词卡复习 跟读练习 语音回放
免费注册
B1 中级 英语 3:27 Educational

Environmental Laws Through the Decades in the United States

UF Thompson Earth Systems Institute TESI · 50,261 次观看 · 添加于 2 个月前

学习统计

B1

CEFR 等级

5/10

难度

用练习题学习

从这个视频生成词汇、语法和理解练习

词汇与语法 理解测验 雅思考试 写作练习
注册开始练习

评论 (0)

登录后评论
还没有评论。成为第一个分享想法的人！

注册解锁全部功能

追踪进度、保存词汇、练习题目

免费注册 登录

相关视频

What are proteins? - Healthy Eating for Kids

B1 3:18

Infinity is bigger than you think - Numberphile

B1 8:00

Netflix -The Witcher Epic Scene - Jaskier Song -Toss a coin to your witcher -

B1 2:14

THE BOY AND THE HERON | Official English Trailer

B1 1:56

Learn English with BREAKING BAD — Walter White Meets SAUL GOODMAN

B1 19:28
UF Thompson Earth Systems Institute TESI

UF Thompson Earth Systems Institute TESI

免费开始学语言

免费注册