Level 6 · word 14,734 of 20,000

airlock

/ˈerˌlɔːk/ American
  • n. 气闸, 气密舱
Definition
  • n. a sealed chamber that allows movement between areas of different air pressure
Example
The astronauts waited inside the airlock before stepping onto the moon.
宇航员在踏上月球之前,先在气闸舱里等候。