名词
中文翻译：水肺
同义词：
['hydrolung', 'water lungs']
例句：
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1.The diver's equipment included a water lung for breathing underwater.
潜水员的设备包括一个供水下呼吸的水肺。
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2.The swimmer used a water lung to stay afloat during the race.
游泳者在比赛中使用水肺保持浮力。
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3. The astronaut had to wear a water lung during the long space mission.
宇航员在漫长的太空任务中必须佩戴水肺。