adj.有履带的
动词track的过去式和过去分词形式.
Paul has tracked down an early recording of Scott Joplin playing one of his rags. 保罗已找到了斯科特·乔普林所演奏过的一个散拍乐曲的早期录音。
The police tracked the terrorists to their hide-out. 警方跟踪恐怖分子至其藏匿处。
A small rounded and domed structure, as for observation, on a tracked, armored vehicle. 旋转炮塔用于观察等的小型圆形或半圆形建筑物，装在有履带的装甲车上
v.由原路返回；走回头路
