【The world is now using 10 times as much wanter】

发布时间：2021-03-18 22:40:35

The world is now using 10 times as much wanter as it did 100 years ago.Scientists say that by 2020watei shortage will be a serious world problem.Clean water is precious and it's t

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time======以下答案可供参考======
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time,trust me!!!
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time
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