exercise
英 ['eksəsaɪz]
美['ɛksɚsaɪz]
	    - n. 运动;练习;运用;操练;礼拜;典礼
 - vt. 锻炼;练习;使用;使忙碌;使惊恐
 - vi. 运动;练习
 
英英释意
- 1. the activity of exerting your muscles in various ways to keep fit;
 - "the doctor recommended regular exercise"
 - "he did some exercising"
 - "the physical exertion required by his work kept him fit"
 
- 2. the act of using;
 - "he warned against the use of narcotic drugs"
 - "skilled in the utilization of computers"
 
- 3. systematic training by multiple repetitions;
 - "practice makes perfect"
 
- 4. a task performed or problem solved in order to develop skill or understanding;
 - "you must work the examples at the end of each chapter in the textbook"
 
- 5. (usually plural) a ceremony that involves processions and speeches;
 - "academic exercises"