您要查找的是不是：
- The post office tried to trace the lost letter. 邮局设法查出那封丢失的信。
- The kids are learning to trace the letter. 孩子们学描字母。
- Marketing does not come within the orbit of his department. 市场推销业务不归他这一部门管。
- He likes to trace the origins of all things. 什么事他都喜欢推本溯源。
- Click to change the orbit and see what happens. 单击以更改轨道并查看发生的情况。
- Then start tracing the route to the Internet. 然后启动追踪对因特网的路由。
- The family are trying to trace the missing dog. 全家人正在设法找寻失踪的狗。
- The police are trying to trace the missing man. 警方正在设法寻找那位失踪的男子。
- We must trace the source of these noxious gases. 我们必须查出毒气的来源。
- The post office is tracing the missing package . 邮局正在追寻那个丢失的包裹。
- I cannot trace the letter to which you refer. 我查不到你提到的那封信.
- The orbit of a space satellite decayed. 人造卫星轨道的能量消减了。
- I can't trace the letter you sent. 我找不到你寄给我的信了。
- Apply heavy line weight to trace the light sketch. 再加上重线条在之前的草图上。
- But sometimes it moves inside the orbit of Neptune. 但有时候，它却运行到海王星轨道里面去了。
- The present-day eccentricity of the orbit is small. 目前，轨道的偏心率不大。
- He like to trace the origins of all things. 什么事他都喜欢推本溯源。
- The Orbit of the Moon around the Sun is Convex! 月亮绕太阳的轨道是凸状的。
- This may help the authorities trace the caller. 这会对政府追查打电话者有帮助。
- The orbit of the earth is elliptical. 地球的轨道是椭圆形的。
