line or series of marks left by a moving vehicle, person, animal, etc.
path or rough road, especially one made by vehicles, people or animals
course taken by sth/sb (whether it can be seen or not)
set of rails for train
prepared course or circuit for racing
continuous belt round the wheels of a bulldozer, tank, etc., on which it moves
follow (an animal, etc.) by the mark, footprints, etc.
"the hurricane demolished houses in its path"
"the track of an animal"
"the course of the river"
"the police are following a promising lead"
"the trail led straight to the perpetrator"
"he played the first cut on the cd"
"the title track of the album"
"track mud into the house"
"track a missile"
"The policeman chased the mugger down the alley"
"the dog chased the rabbit"
"The caravan covered almost 100 miles each day"
The walls..tapestried with the tracks of snails.
He was beginning to weep, and..wet tracks gleamed on his face.
出自： R. Silverberg
Misfortunes which track my footsteps like slot-hounds.
出自： Sir W. Scott
Every..aircraft flying over Europe can be tracked by radar.
You track me, you spy on me.
出自： M. Bradbury
During a head turn the eyes often track a single point.
Tracking..the boat was impossible, for the banks were perpendicular mud.
出自： M. H. Mason
We finally tracked down our lost companion in a public house.
I have never been able to track down the person who wrote the story.
The hunters tracked down the game in the forest.
I finally tracked down the reference in a dictionary of quotations.
It was not long before I tracked down the lost watch.
With no interpreters to help,I often had to track down the meaning of words by sheer guessing.
Were the doctors able to track down the cause of the infection?
He was determined to track down the cause of food spoilage.
The criminal was tracked down and knocked off by the police.
误 We must read the papers so as to keep track with world affairs.
正 We must read the papers so as to keep track of world affairs.
析 keep track of是固定用法,介词of不能改为with。