航空,航空學,航空術
Aviation \A`vi*a"tion\, n. The art or science of flying.
aviation
n 1: the aggregation of a country's military aircraft [syn: {air
power}]
2: the operation of aircraft to provide transportation
3: the art of operating aircraft [syn: {airmanship}]
4: travel via aircraft; "air travel involves too much waiting
in airports"; "if you've time to spare go by air" [syn: {air
travel}, {air}]