trailorn.预告片trailn.踪迹；小径；尾；一系列vi.拖；落后于vt.追踪；拖拽；尾随trail along after sb慢吞吞地跟在某人后头走trailing point switch背向道岔trailing-edge wedge楔形后缘trail suction dredger耙吸挖泥船trail one's coattails寻衅trail-behind picker牵引式玉米摘穗机trailing ground cover匍匐性覆盖植物trail their coattailsvi.故意寻衅(故意引起争端)trailing-edge logic后沿逻辑Trailing edge blowing尾缘吹气