重要
noun [具体名词]跑道；小道，小径；踪迹，足迹，车辙；（铁路的）轨道；（窗帘、推拉门等的）滑竿，滑轨
A track is a piece of ground, often oval-shaped, that is used for races involving running, cars, bicycles, horses, or dogs called greyhounds.
跑道 ...the athletics track.
verb [vt. 及物动词]追查，追踪；（尤指用特殊电子设备）跟踪，追踪；跟踪（进展情况）；跟踪摄影，移动摄影
If you track animals or people, you try to follow them by looking for the signs that they have left behind, for example, the marks left by their feet.
跟踪 He thought he had better track this wolf and see where it lived. 他认为他最好跟踪这只狼，并看看它在哪儿生活。
- track 出现在下面的课文中
- Lesson 129&130 Seventy miles an hour track 名词: 跑道
- Lesson 91 Three men in a basket track 名词: 轨迹，踪迹
- Lesson 39 Nothing to worry about
单词造句:
轨迹，踪迹
- keep track of the strange object 跟踪那个奇怪的物体
- lose track of…. 失去联系；不能跟上……的发展
- back on track 重新回到正轨：恢复正常状态或进展，重新开始朝着目标前进。