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
2:56
Educational
Space Archaeology: A New Frontier of Exploration | National Geographic
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 Vikings! - Crash Course World History 224
B1
11:18
Unity vs Unreal Engine: Which One Should You Choose?
B1
3:27
Why Women Need To Get Serious About Strength | Dr. Jaime Seeman | TEDxGreenhouse Road
B1
11:00
Extraordinary Penguin Moments | BBC Earth | BBC Studios
B1
23:56
Does Alcohol Really Burn Off When Cooked?
B1
5:29
National Geographic
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
