Aviation
01
항공
the aggregation of a country's military aircraft
문법 정보
유생성 상태
추상
형태적 구성
합성어
불가산
02
항공
travel via aircraft
03
항공
the art of operating aircraft
04
항공
the process of flying an aircraft
05
항공, 항공학
the study of the design, development, and operation of aircrafts, focusing on principles of aerodynamics, propulsion, and material science



























