written abbreviation for depart or departure (used in timetables to show the time at which a bus , train , or aircraftleaves a place ) 離開(kāi)；出發(fā)（depart或departure的縮寫(xiě)） Flight BA174, dep. Rio de Janeiro 21.45. BA174 次航班21點(diǎn)45分從里約熱內(nèi)盧起飛。 返回 dep.