您要查找的是不是：
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- This rough track will soon be a metalled road. 这条坑坑洼洼的路不久就要铺上碎石了。
- I'm trying to track down my old Aunt Maud. 我正试图寻找到我那年迈的婶婶莫德。
- The cyclist went at full sail along the track. 自行车手沿着跑道全速前进。
- Bill has a feeling he is on a fast track. 比尔感觉到他正快速迈向成功。
- The new race track is nearly six miles in extent. 这条新跑道将近六英里长。
- I make a carbon copy of my documents. 我用复写纸复写文件。
- Soft drinks contain carbon dioxide. 软饮料中含有二氧化碳。
- John bears the bell in all track events at school. 约翰在学校里的各个径赛项目中都赢得第一名。
- I'm on the track of a valuable painting. 我在追寻一幅珍贵的油画。
- I have some carbon paper somewhere or other. 我记得我在什么地方放有复写纸。
- Surface discharges occur along the layers after penetrating the first few paper layers, and trees or carbonized tracks are formed. 在绝缘纸存在薄弱点时，碳化轨迹容易穿透绝缘纸.
- Keep track of the time you actually travel. 把你旅行的实际时间记录下来。
- Signals control each section of the railway track. 各种信号控制着铁路轨道的每个部分。
- She's a carbon copy of her sister. 她跟她姐姐一模一样。
- A locomotive pounded down the railway track. 一辆机车沿着铁道隆隆地驶去。
- I like to watch field and track events. 我喜欢观看田径比赛。
- We have to keep track of every cent we spend. 我们得记下我们花的每一分钱。
- What you just said is completely off the track. 你刚才讲的话彻底离题了。
- The wrecked train lay aslant the track. 失事的火车斜着横在铁轨上。
