Aviation
01
航空
the aggregation of a country's military aircraft
文法情報
有生性の状態
抽象的
形態的構成
複合語
不可算
02
航空
travel via aircraft
03
航空
the art of operating aircraft
04
航空
the process of flying an aircraft
05
航空, 航空学
the study of the design, development, and operation of aircrafts, focusing on principles of aerodynamics, propulsion, and material science



























