名词中文翻译
中文翻译：救生圈
同义词：
['life raft', 'lifebelt']
例句：
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1.The pilot used a parafoil to avoid the storm.
飞行员使用救生圈来避开暴风雨。
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2. The boat was caught in a strong current and needed a parafoil to stay afloat.
船被强流困住，需要救生圈才能浮起来。
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3. The rescuers used a parafoil to save the injured person from drowning.
救援人员使用救生圈将受伤的人从溺水中救出。