shortage of fresh water

[英语学习]专四写作资料库 - 豆丁网 ... sea water desalinization 海水淡化 shortage of fresh water 淡水资源短缺 tsunami 海啸 ...

环境短语(英文)__企业博客 ... 能源危机 energy crisis 淡水短缺 shortage of fresh water 环保意识 environmental awareness ...