airline overbooking超额: above quota预定: fix in advance; predetermine ...航班: scheduled flight; flight num ...航班超额预定: flight overbooked预定航班: make a flight reservation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:超额预定航班，即可在微信中查询翻译
