n. a track or mark left by something that has passed
n. a path or track roughly blazed through wild or hilly country
v. move, proceed, or walk draggingly or slowly
v. hang down so as to drag along the ground
n. 踪迹, 痕迹, 一串, 尾部, 小径, 持枪姿势
vt. 拖, 尾随, 追踪, 落后于, 开出路
vi. 拖曳, 垂下, 落后, 飘出, 蔓生