| 单词 | aerobics | 
| 释义 | aer·o·bics    (â-rōbĭks)n. (used with a sing. or pl. verb) 1.  A system of physical conditioning designed to enhance circulatory and respiratory efficiency that involves vigorous sustained exercise, such as jogging, swimming, or cycling. 2.  A program of physical fitness that involves such exercise. [From AEROBIC.]  | 
	
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