oxygen mask
oxygen mask是什么意思、oxygen mask怎么读
oxygen mask汉语翻译
【化】 氧气面具
oxygen mask英语解释
名词 oxygen mask:
- a breathing device that is placed over the mouth and nose; supplies oxygen from an attached storage tank
oxygen mask例句
- If air is needed, the oxygen mask in the plane will pop down by itself.如果空气缺乏，飞机内的氧气面罩会自动放下。
- An oxygen mask will come down from overhead in case of an emergency.若发生紧急情况，头顶上会降下一只氧气面罩。
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