active
英 ['æktɪv]
美['æktɪv]
	    - adj. 积极的;活跃的;主动的;有效的;现役的
 - n. 主动语态;积极分子
 
英英释意
- 1. chemical agent capable of activity
 
- 2. the voice used to indicate that the grammatical subject of the verb is performing the action or causing the happening denoted by the verb;
 - "`The boy threw the ball' uses the active voice"
 
- 3. a person devoted to the active life