| 单词 | exercise |
| 释义 | exercise n. & v. --n 1. activity requiring physical effort, done esp. as training or to sustain or improve health. 2. mental or spiritual activity, esp. as practice to develop a skill. 3. (often in pl.) a particular task or set of tasks devised as exercise, practice in a technique, etc. 4. a the use or application of a mental faculty, right, etc. b practice of an ability, quality, etc. 5. (often in pl.) military drill or manoeuvres. 6. (foll. by in) a process directed at or concerned with something specified (was an exercise in public relations). --v 1. tr. use or apply (a faculty, right, influence, restraint, etc.). 2. tr. perform (a function). 3. a intr. take (esp. physical) exercise; do exercises. b tr. provide (an animal) with exercise. c tr. train (a person). 4. tr. a tax the powers of. b perplex, worry. Phrases and idioms exercise book 1. a book containing exercises. 2. a book for writing school work, notes, etc., in. Derivatives exercisable adj. exerciser n. Etymology: ME f. OF exercice f. L exercitium f. exercere exercit- keep at work (as EX-(1), arcere restrain) |
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