Water resource shortage will be the focus all over the world in 21st century.
21世纪水资源短缺问题是世界关注的焦点。
The shortage of water resource has been a worldwide problem.
淡水资源短缺是全球性问题。
Water resource shortage and water pollution are serious in our country.
我国是水资源短缺和水污染严重的国家之一。
Water resource shortage and water pollution are serious in our country.
我国是水资源短缺和水污染严重的国家之一。
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