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
Simple Past – Grammar & Verb Tenses
B1
5:48
SOLO TRAVEL MISTAKES TO AVOID ON YOUR FIRST SOLO TRIP
B1
9:45
Immune System: Innate and Adaptive Immunity Explained
B1
7:01
STRANGER THINGS FINALE EXPLAINED! Every Lingering Question Answered!
B1
16:37
Top 10 Best Netflix Romance Series | Best Netflix Romantic Series - 2022
B1
8:06
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
