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
14:07
Educational
The History Of Astronomy : How Humans First Mapped The Night Sky
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
Rick and Morty | Funniest Moments #1
B1
13:11
Brisbane overtakes Melbourne to become Australia's second most expensive housing market | ABC NEWS
B1
6:03
Hilarious Surfers have reporter in Stitches | TODAY Show Australia
B1
4:55
The 5th Wave | The Aliens Arrive | FULL Scene!!
B1
6:06
Berlin best scenes Money heist
B1
3:15
Insane Curiosity
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
