在线词典后路军队背后的运输线或退路:抄~;(~儿)比喻回旋的余地;后步:留~。拼音hòu lù解释军队背后的运输线或退路:抄~;(~儿)比喻回旋的余地;后步:留~。英文释义escape route; retreat route; communication lines to the rear; alternative course of action; room for maneuver