| 释义 |
aviation
[ˌeɪ.vi'eɪ.ʃən] noun uncountable
■the activity of flying aircraft, or of designing, producing and keeping them in good condition 航空（学）；飞行（术）；航空工业•the British Civil Aviation Authority英国民航局 •the US Federal Aviation Administration美国联邦航空管理局 •aviation fuel航空燃料 |