oxygen mask

• n. [医](供人吸氧时用的)氧气面罩

英英释义

Noun:

1. 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.)

1. 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。
2. 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。