名词
中文翻译：救生浮标
同义词：
['lifebuoy', 'lifebuoys', 'lifebuoyage']
例句：
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1.The lifebuoy was a crucial part of the rescue operation.
救生浮标是救援行动中至关重要的一部分。
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2. The lifebuoy was used to save the drowning child.
救生浮标被用来救起溺水的儿童。
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3. The lifebuoy was located in the middle of the river.
救生浮标位于河流中央。