名词
中文翻译：河上浮标
同义词：
['河岸浮标，河流浮标例句：1. The river is home to many species of fish and birds.（这条河是许多鱼类和鸟类的家园。）']
例句：
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1. The river is home to many species of fish and birds.
这条河是许多鱼类和鸟类的家园。
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2.The bridge was built to cross the river safely.
这座桥是为了安全地穿过河流而建造的。
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3. The river buoy helps guide ships through the busy port area.
河上浮标帮助引导船只通过繁忙的港口区域。