trail
【释义】： v．拖曳，尾随n．踪迹 ◇in trail成纵队地trail a pike当兵，服役trail one’s coat故意挑衅 ‖trail angle观测角trail balloon探测风向和风速的气球trail distance拖曳距离trail edge机翼后缘trail formation纵队队形trail officer押队官trailing aerial拖曳天线trailing direction背向trailing flap后缘襟翼trailer n．追踪者，拖车trailer brake拖车制动器trailer launcher拖车式发射装置trailer-mounted radar车载雷达 |