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英语
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great pressures have been put onworld's water resources and in turn people are straining aquatic systems worldwide.4552
人气：269 ℃ 时间：2020-01-30 05:04:01
解答
世界上的水资源已面临巨大压力,而全世界的人们仍然在竭力破坏水生系统.
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