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                “下游”的反义词:上游。... 
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                科隆在离美因茨并不遥远的下游方向。Cologne is not so very far down-river from Mainz.9点30分时我们就解缆向下游出发了。By 09.30 we had cast off and were heading down-river.下游的社区已经接到了预警。Communities downstream have been alerted.... 
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                “下游”的近义词/同义词:卑鄙, 卑劣, 下流。... 
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                “下游”的英语可以翻译为:lower reaches,downstream,backward position,after-bay ...