oxygen mask
US /ˈɑːk.sɪ.dʒən ˌmæsk/
UK /ˈɑːk.sɪ.dʒən ˌmæsk/

1.
topeng oksigen
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.
Pramugari menunjukkan cara menggunakan topeng oksigen.
•
He needed an oxygen mask after the accident.
Dia memerlukan topeng oksigen selepas kemalangan itu.