名词中文翻译
中文翻译：救生圈
同义词：
['lifebuoy', 'lifejacket', 'lifebelt']
例句：
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1. The children were saved from drowning by the lifebuoy.
孩子们被救生圈从溺水中救了出来。
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2. He wore a lifejacket when he went swimming in the lake.
他在去湖里游泳时穿了救生衣。
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3. Lifebelts are used to keep people safe in emergencies.
生命带用于紧急情况下保护人们安全。