activity什么意思啊了 activity是什么意思 activity的中文意思

activity是什么意思 activity的中文意思  

英音 [æk'tiviti] ;,美音 [æk'tiviti] ;,名词
1.不可数名词：活动性；活力
2.不可数名词：繁忙的或充满活力的活动
3.可数名词：【尤作复数】所做的事情，活动，工作，消遣,复数 activities,an anic process that takes place in the body,a process existing in or produced by nature (rather than by the intent of human beings),the state of being active,(chemistry) the capacity of a substance to take part in a chemical reaction,any specific behavior,the trait of being active; moving or acting rapidly and energetically,with activity 精力充沛地,be in activity 在活动中,artificial activity 仿真活动,cilia activity 纤毛活动,acaricidal activity 杀螨活性,cationic activity 阳离子活度,degree of activity 活度,gene activity 基因活性,enzymatic activity 酶活性,equilibrium activity 平衡放射性,activity n. 1.[U]活动性；活力2.[U]繁忙的或充满活力的活动3.[C]【尤作复数】所做的事情，活动，工作，消遣,activity identifier 活动识别符,eco activity n. 生态活动,multi activity 多活动,low activity 低放射性水平,micro activity 微反活性