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。
- I'm on the track of a valuable painting. 我在追寻一幅珍贵的油画。
- Keep track of the time you actually travel. 把你旅行的实际时间记录下来。
- We have to keep track of every cent we spend. 我们得记下我们花的每一分钱。
- The police has lost track of the criminals. 警方已失去追踪罪犯的线索。
- The police are on the track of the gang. 警方正在追踪那帮团伙。
- Please ask if you cannot keep track of what I'm telling you. 如果你们听不懂我所讲的话，请提问。
- Mary lost track of her friends at camp after summer was over. 夏天过后，玛丽就和她一起宿营的朋友失去了联系。
- One who keeps track of time; a timekeeper. 计时员一个记录时间的人; 计时员
- Lower the canister through bottom of vehicle. 下端的罐穿过车辆的底部。
- He reads the newspapers to keep track of current events. 他阅读报纸以了解时事。
- All manner of vehicles were used. 使用了各种车辆。
- Submission of vehicle identification number. 提交车辆识别号。
- It is time for the yearly check of vehicle safety. 到车辆安全年审的时间了。
- The earth crosses the tracks of certain comets. 地球穿过某些彗星的轨迹线。
- Her mother used to keep track of every penny she spent. 她母亲从前把自己所花的每一分钱都记下来。
- His plane was lost track of about two hours out from London Airport. 他的飞机飞出伦敦机场已约有两个小时没有音信了。
- Tracks of the tropical lows, storms and cyclones. 热带低落、风暴和旋风的轨道。
- The hunter followed the tracks of the lion. 猎人跟着狮子的踪迹走（追踪狮子）。
- The bridge is not strong enough to allow the passage of vehicles. 这座桥不够牢固，车辆不能通行。
