oxygen mask

US /ˈɑːk.sɪ.dʒən ˌmæsk/
UK /ˈɑːk.sɪ.dʒən ˌmæsk/
"oxygen mask" picture
1.

氧氣面罩

a mask placed over the nose and mouth and connected to a supply of oxygen

:
The flight attendant demonstrated how to use the oxygen mask.
空乘人員演示了如何使用氧氣面罩
He needed an oxygen mask after the accident.
事故後他需要一個氧氣面罩