英英释义
Noun- a breathing device that is placed over the mouth and nose; supplies oxygen from an attached storage tank
例句
用作名词(n.)- An oxygen mask will come down from overhead in case of emergency.如果发生紧急情况，头顶上会放下一只氧气面罩。
- The car with its whirring air conditioning was like an oxygen mask.配备了高功率空调的汽车就像一个氧气面罩。
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