形容词
中文翻译：河的
同义词：
['marine', 'coastal', 'estuarine']
例句：
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1. The river flows through the city, providing fresh water for the people.
这条河流经城市，为人们提供淡水。
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2. The estuary is a place where the river meets the sea, teeming with life.
河口是河流与大海交汇的地方，生机勃勃。
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3. Estuaries are important habitats for many species of fish and birds.
河口是许多鱼类和鸟类的重要栖息地。