名词
中文翻译：浮筒
同义词：
['buoy', 'float', 'lifebuoy']
例句：
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1.The boat was towed by a large trunk buoy.
这艘船被一个大浮筒拖走了。
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2. The lifebuoy was placed in the river to save someone's life.
将救生圈放在河里是为了拯救某人的生命。
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3. The children played on the floating toys in the pool.
孩子们在游泳池里的浮动玩具上玩耍。