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
ai se video kaise banaye | ai video kaise banaye | ai se cartoon video kaise banaye | ai video
Mysteries of the Western Ghats: A 4K Documentary
माँ के जन्मदिन के लिए व्लाद और निकी खाना बनाना - बच्चों के लिए संग्रह वीडियो
The Great Indian Laughter Challenge Season 4 | Jab ek chor ne ki beizzati #starbharat
Kismat Ka Sikandar - Highlight | Corporate Politics & Drama | Micro Drama | Story TV
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
