柯林斯词典aviation /ˌeɪvɪˈeɪʃən/ 1. N-UNCOUNT Aviation is the operation and production of aircraft. 航空; 飞机制造业 ...the aviation industry. …航空工业。 返回 aviation剑桥词典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 例句 Orville and Wilbur Wright were aviation trail blazers . 返回 aviation