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
The Environmental Impact of Mining: Understanding the Consequences.
学习统计
CEFR 等级
难度
评论 (0)
登录后评论互动模式
测验
正确答案：
相关视频
Jamtara | Official Trailer | Netflix
Beijing ने अपना Air Pollution कैसे कम किया? Delhi के लिए बड़ी सीख | AQI | China | #tv9d
Real Story of Dunki | How Indians Cross US Mexico Border? | Donkey Process | Dhruv Rathee
Why I don't smoke weed but love stoners - Stand Up Comedy by Kenny Sebastian
The Great Attractor: The Cosmic Force Pulling Us In! The Mysterious Journey of Our Galaxy
Earth's Wonders
测验
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
