名词
中文翻译：救生浮标
同义词：
['lifebuoy', 'lifesaver']
例句：
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1.The rescue beacon was a bright yellow color that helped the search and rescue team find the lost person.
救生浮标是明亮的黄色，帮助搜救队找到失踪的人。
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2.The lifesaving efforts of the volunteers were crucial in saving many lives during the flood.
志愿者的救援行动在洪水中挽救了许多生命。
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3. The lifesaver was designed to keep people from drowning in the ocean.
救生圈是为了防止人们在海里溺水而设计的。