n.轨道；跑道；踪迹；小路；乐曲（名词track的复数）
v.追踪；跟踪（动词track的第三人称单数）
It's time we made tracks (for home). 我们该(家)走了。
The sudden bang froze us in our tracks. 突然砰的一响，顿时把我们惊呆了。
Her new album has two great tracks (eg songs) on it. 她的新唱片集里有两段(如歌曲)特别棒。
He fell dead in his tracks. 他当场死去。
The lane was rutted with tyre tracks. 这小巷有车胎轧出的凹痕。
Only faint traces of the tiger's tracks could be seen. 老虎的踪迹仅依稀可见。
n.运动服
v.由原路返回；走回头路
