| 单词 | track | 
| 释义 | track1 of 2noun   ˈtrak   1    : a footprint whether recent or fossil  the huge track of a dinosaur   2   a     : detectable evidence (such as the wake of a ship, a line of footprints, or a wheel rut) that something has passed    b     : a path made by or as if by repeated footfalls : trail    c     : a course laid out especially for racing    d     : the parallel rails of a railroad    e(1)     : material recorded especially on or as if on a track  instrumental tracks  a bonus commentary track on a DVD    (2)     : one of a series of parallel or concentric paths along which material (such as music or information) is recorded (as on a phonograph record or magnetic tape)    (3)     : a group of grooves on a phonograph record containing recorded sound    f     : a usually metal way (such as a groove) serving as a guide (as for a movable lighting fixture)   3   a     : a sequence of events : a train of ideas : succession    b     : an awareness of a fact, progression, or condition  keep track of the costs  lose track of the time   4    : track-and-field sports    especially : those performed on a running track   5   a     : the course along which something moves or progresses    b     : a way of life, conduct, or action    c     : one of several curricula of study to which students are assigned according to their needs or levels of ability    d     : the projection on the earth's surface of the path along which something (such as a missile or an airplane) has flown   6   a     : the width of a wheeled vehicle from wheel to wheel and usually from the outside of the rims    b     : the tread of an automobile tire    c     : either of two endless belts on which a tracklaying vehicle travels    trackless    ˈtrak-ləs   adjective track 2 of 2verb  tracked; tracking; tracks    transitive verb 1   a     : to follow the tracks or traces of : trail    b     : to search for by following evidence until found  track down the source   2   a     : to follow by vestiges : trace    b     : to observe or plot the moving path of (something, such as a spacecraft or missile) often instrumentally   3   a     : to carry (mud or other material) on the feet and deposit  tracking mud into the kitchen    b     : to make tracks upon   4    : to keep track of (something, such as a trend) : follow   5    : to travel over : traverse  track a desert   intransitive verb 1    : travel  a comet tracking eastward   2    a of a pair of wheels     (1)     : to maintain a constant distance apart on the straightaway    (2)     : to fit a track or rails    b    of a rear wheel of a vehicle   : to follow accurately the corresponding fore wheel on a straightaway    c    of a phonograph needle   : to follow the groove undulations of a recording   3    : to leave tracks (as on a floor)    tracker noun   track 1 of 2 noun1  as in trail   a mark or series of marks left on a surface by something that has passed along it a muddy track across the kitchen floor   Synonyms & Similar Words Relevance     
 2  as in path   a rough course or way formed by or as if by repeated footsteps there was still a faint track through the underbrush that indicated where the path used to be   Synonyms & Similar Words 
 3  as in route   the direction along which something or someone moves I followed the track of the thief's eyes as he watched the woman put the money into her purse and walk away   Synonyms & Similar Words 
 track 2 of 2verb1  as in to chase   to go after or on the track of predators stealthily tracking their prey   Synonyms & Similar Words 
 Antonyms & Near Antonyms 
 2  as in to cross   to make one's way through, across, or over once upon a time, millions of buffalo tracked the wide open plains   Synonyms & Similar Words 
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