单词：sub-basins
(sub-basin 的复数) 子流域
plural of sub-basin
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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(250) / 评论(0)
VOA标准英语2011年(十月)
VOA标准英语2011年(十月)
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英文语法词汇
英文语法词汇