:a structure consisting of a pair of parallel lines of rails with their crossties, on which a railroad train, trolley, or the like runs.
:a wheel rut.
:evidence, as a mark or a series of marks, that something has passed.
:Usually tracks . footprints or other marks left by an animal, person, or vehicle: a lion's tracks; car tracks.
:a path made or beaten by or as if by the feet of people or animals; trail: to follow the track of a murderer.
:a line of travel or motion: the track of a bird.
:a course or route followed.
:a course of action, conduct, or procedure: on the right track to solve the problem.
:a path or course made or laid out for some particular purpose.
:a series or sequence of events or ideas.
:something associated with making a track, as the wheel span of a vehicle or the tread of a tire.
:a caterpillar tread.
:Sports. a course laid out for running or racing.the group of sports performed on such a course, as running or hurdling, as distinguished from field events.both track and field events as a whole.
:Recording. a band of recorded sound laid along the length of a magnetic tape.band. an individual song or segment of a recording: a title track.a discrete, separate recording that is combined with other parts of a musical recording to produce the final aural version: a special rhythm track added to the basic track.
:Automotive. the distance between the centers of the treads of either the front or rear wheels of a vehicle.
:Computers. a data-recording path on a storage medium, as a magnetic disk, tape, or drum, that is accessible to a read-write head in a given position as the medium moves past.
:tracks, Slang. needle marks on the arm, leg, or body of a drug user caused by habitual injections.
:sound track.
:a metal strip or rail along which something, as lighting or a curtain, can be mounted or moved.
:Education. a study program or level of curriculum to which a student is assigned on the basis of aptitude or need; academic course or path.
v.有主动词 verb
1
:to follow or pursue the track, traces, or footprints of.
:to follow.
:to make one's way through; traverse.
:to leave footprints on: to track the floor with muddy shoes.
:to make a trail of footprints with: The dog tracked mud all over the living room rug.
:to observe or monitor the course or path of, as by radar or radio signals.
:to observe or follow the course of progress of; keep track of.
:to furnish with a track or tracks, as for railroad trains.
:Railroads. to have between wheels, runners, rails, etc.
v.无主动词 verb
1
:to follow or pursue a track or trail.
:to run in the same track, as the wheels of a vehicle.
:to be in alignment, as one gearwheel with another.
:to have a specified span between wheels or runners: The car's wheels track about five feet.
:Movies, Television. dolly.
:Recording. to follow the undulations in the grooves of a phonograph record.
1
:track down, to pursue until caught or captured; follow: to track down a killer.