习惯用语at the trail1.【军】提枪; 取提枪姿势be hot on sb.'s trail1.紧追某人blaze a [the] trail1.(在森林中)在树上刻出指路的标志; 开辟道路follow the trail1.跟着嗅迹, 追踪foul the trail1.搅乱踪迹, 使迷惑hit the trail1.出发, 立即走开in trail1.成一列纵队地off the trail1.失去嗅迹[线索]; 迷失; [喻]出轨; 离题on the trail1.寻找, 找到嗅迹[线索]on the trail of1.跟踪追赶throw sb. off the trail1.甩掉尾巴trail after1.追随trail off1.变弱; 逐渐消失特殊用法aerodynamic trail1.气动力尾迹audit trail1.查帐索引condensation trail1.凝结尾迹dissipation trail1.耗散尾迹exhaust trail1.排气尾迹fire trail1.救火道meteor trail1.流星尾迹rural trail1.野外实习; 野外采集标本sand trail1.落砂试验skid trail1.集材道skidding trail1.集材道路vapo(u)r trail1.水气尾迹; 雾化尾迹vortex trail1.涡迹; 旋涡尾迹worm trail1.虫迹trail of the fault1.断层迹