Level 4 · word 5,149 of 20,000

aviation

/ˌeɪviˈeɪʃən/ American
Picture: aviation
  • n. 航空, 航空学
Definition
  • n. the designing, making, and flying of aircraft
Example
He has always been fascinated by aviation and how planes fly.
他一直对航空业以及飞机的飞行原理很着迷。