单词：sedimentary basins
[网络] 沉积盆地；沉积岩盆地
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But even if there had been water, life doesn't start overnight. Even a simple microbe is the product of complex chemical systems that take millions of years to evolve. Had the water lasted long enough
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River Basins Could Help Ensure Food Security The worlds major river basins may hold the key to doubling food production in the coming years. The idea was discussed at the 14th World Water Congress in Brazil. A new report says while water shortages do
发表于:2018-12-16 / 阅读(134) / 评论(0)
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英文语法词汇