aircraft tracking mission飞机: airplane; plane; aeroplane; ...跟踪: follow the tracks of; tail a ...练: white silk飞: fly; flit飞机跟踪: aircraft tracking下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:飞机跟踪练飞,即可在微信中查询翻译