Track
来自我不喜欢考试-知识库
目录 |
[编辑] 解释
[编辑] GRE 红宝书
- n. 足迹, 踪迹; 轨道; 小道v. 跟踪
- ［英］ n. 足迹, 踪迹; 轨道; 小道 ( a narrow path) ;
[编辑] Webster Collegiate
kI. noun
- Etymology: Middle English trak, from Middle French trac
- Date: 15th century
- 1.
- a. detectable evidence (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) one of a series of parallel or concentric paths along which material (as music or information) is recorded (as on a phonograph record or magnetic tape)
- (2) a group of grooves on a phonograph record containing recorded sound
- (3) material recorded especially on or as if on a track <a laugh track><instrumental tracks><a bonus commentary track on a DVD>
- f. a usually metal way (as a groove) serving as a guide (as for a movable lighting fixture)
- 2. a footprint whether recent or fossil <the huge track of a dinosaur>
- 3.
- 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 (as a missile or an airplane) has flown
- 4.
- 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>
- 5.
- 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
- 6. track-and-field sports; especially those performed on a running track
- Synonyms: see trace
- ? trackless adjective
II. verb
- Date: 1565
- transitive verb
