名词
中文翻译：救生艇
同义词：
['life raft', 'life preserver']
例句：
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1.The lifeboat was launched to rescue the trapped passengers.
救生艇被发射以营救被困的乘客。
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2. They were using a lifeboat to cross the river.
他们正在使用一艘救生艇过河。
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3.The lifeboat crew had to work quickly to save everyone's lives.
救生艇上的船员必须迅速行动，以拯救所有人的生命。