air force · noun C /ˈerˌfɔːrs/Full view
air force
B1 the part of a country's military organization that uses aircraft to fight wars
Dictionary example:

an air force pilot

Learner example:

During the day you can visit all of our museums or schools or even the air force base, which is open from 9[:]00 until [6:]00. (First Certificate in English; B2; Portuguese)

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