| 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 track2 of 2 verb  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 traila 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 patha 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 routethe 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 
 track2 of 2 verb1 as in to chaseto go after or on the track of predators stealthily tracking their prey Synonyms & Similar Words 
 Antonyms & Near Antonyms 
 2 as in to crossto 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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