柯林斯词典aviation /ˌeɪvɪˈeɪʃən/ 1. N-UNCOUNT Aviation is the operation and production of aircraft. 航空; 飛機制造業 ...the aviation industry. …航空工業。 返回 aviation剑桥词典the activity of flying aircraft , or of designing , producing , and keeping them in good condition 航空（學）；飛行（術）；航空工業 the British Civil Aviation Authority 英國民航侷 the US Federal Aviation Administration 美國聯邦航空琯理侷 aviation fuel 航空燃料 例句 Orville and Wilbur Wright were aviation trail blazers . 返回 aviation