air lock
air lock
'air lock
◙noun [C]
1. a small room used for moving between two places that do not have the same air pressure, for example in a spacecraft
• 压差隔离室，气闸室〔出入气压不同的空间时使用的小室〕
2. a small amount of air in a pipe that stops liquid flowing through it
• 气塞，气栓
