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
2:42
Educational
Carl Sagan - Cosmos- Stars - We Are Their Children
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
TOY STORY 5 Official Trailer (2026)
B1
2:43
Ben Affleck & Matt Damon Reflect on Their Careers Together | Vanity Fair
B1
17:27
The Real Story Behind the Viral Penguin Video | 2007 Antarctica Documentary Explained
B1
2:29
Trump says South Africa should not be in G20 Group
B1
6:51
Introducing the Director of Homeland Security | South Park
B1
2:17
carlsagandotcom
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
