track /ˈtræk/
 軌跡,足跡,路,軌道,磁軌,途徑(vt.)循路而行,追蹤,通過,用纖拉(vi.)追蹤


 track
 偏移磁道


 track
 磁軌


 track
 軌 磁軌 軌跡


 Track n.
 1. A mark left by something that has passed along; as, the track, or wake, of a ship; the track of a meteor; the track of a sled or a wheel.
    The bright track of his fiery car.   --Shak.
 2. A mark or impression left by the foot, either of man or beast; trace; vestige; footprint.
    Far from track of men.   --Milton.
 3. Zool. The entire lower surface of the foot; -- said of birds, etc.
 4. A road; a beaten path.
    Behold Torquatus the same track pursue.   --Dryden.
 5. Course; way; as, the track of a comet.
 6. A path or course laid out for a race, for exercise, etc.
 7. Railroad The permanent way; the rails.
 8.  A tract or area, as of land. [Obs.] “Small tracks of ground.”
 Track scale, a railway scale. See under Railway.


 Track, v. t. [imp. & p. p. tracked p. pr. & vb. n. tracking.] To follow the tracks or traces of; to pursue by following the marks of the feet; to trace; to trail; as, to track a deer in the snow.
    It was often found impossible to track the robbers to their retreats among the hills and morasses.   --Macaulay.
 2. Naut. To draw along continuously, as a vessel, by a line, men or animals on shore being the motive power; to tow.

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 track
      n 1: a line or route along which something travels or moves; "the
           hurricane demolished houses in its path"; "the track of
           an animal"; "the course of the river" [syn: path, course]
      2: evidence pointing to a possible solution; "the police are
         following a promising lead"; "the trail led straight to
         the perpetrator" [syn: lead, trail]
      3: a pair of parallel rails providing a runway for wheels
      4: a course over which races are run [syn: racetrack, racecourse,
          raceway]
      5: a distinct selection of music from a recording or a compact
         disc; "he played the first cut on the cd"; "the title
         track of the album" [syn: cut]
      6: an endless metal belt on which tracked vehicles move over
         the ground [syn: caterpillar track, caterpillar tread]
      7: (computer science) one of the circular magnetic paths on a
         magnetic disk that serve as a guide for writing and
         reading data [syn: data track]
      8: a groove on a phonograph recording
      9: a bar or bars of rolled steel making a track along which
         vehicles can roll [syn: rail, rails]
      10: any road or path affording passage especially a rough one
          [syn: cart track, cartroad]
      11: the act of participating in an athletic competition
          involving running on a track [syn: running]
      v 1: carry on the feet and deposit; "track mud into the house"
      2: observe or plot the moving path of something; "track a
         missile"
      3: go after with the intent to catch; "The policeman chased the
         mugger down the alley"; "the dog chased the rabbit" [syn:
         chase, chase after, trail, tail, tag, {give
         chase, dog, go after]
      4: travel across or pass over; "The caravan covered almost 100
         miles each day" [syn: traverse, cover, cross, {pass
         over, get over, get across, cut through, {cut
         across]
      5: make tracks upon