1. 活泼的，活跃的；积极的　 doing things; energetic
2. 起作用的　 able to produce the typical effects or act in the typical way
3. 主动的　 having the person or thing doing the action as the subject

　～ bank account　尚有存款的银行户头
　～ child　活泼的孩子
　～ club member　活跃的俱乐部成员
　～ coal mine　开采中的煤矿
　～ communications satellite　尚能传播信号的通讯卫星
　～ deposit　放射性矿藏
　～ life　勤奋的生活
　～ mind　思维敏捷
　～ part　积极的作用
　～ vocabulary　积极词汇
　～ volcano　活火山
　～ atoms　活性原子，放射性原子
　～ boy　好动的男孩
　～ capital　流通资本
　～ carbon　活性炭
　～ duty　现役
　～ imagination　丰富的想象力
　～ law　有效的法律
　～ list　现役名册
　～ market　活跃的市场
　～ measures　积极手段
　～ remedy　速效药物
　～ sports　剧烈的运动
　～ tuberculosis　活动性结核
　～ voice　主动语态
　ardently ～　积极致力于
　persistently ～　不懈地活跃
　politically ～　政治上活跃的
　～ about some business　积极从事某种商业活动
　～ for an object　积极追求目标
　～ in doing good　积极做好事
　～ in one's movements　动作灵敏
　～ in work　积极工作

　She is an active girl.　她是一位活泼的姑娘。
　The cat is an active animal.　猫是行动敏捷的动物。
　He is the most active student in our class.　他是我们班最活跃的学生。
　This old man has an active brain.　这位老人头脑灵敏。
　Mount Vesuvius is an active volcano.　维苏威火山是座活火山。
　These young people have active minds.　这些青年的思想很活跃。
　She has an active imagination.　她有活跃的想象力。
　His brother is a soldier in active service.　他哥哥是现役军人。
　He has an active influence over the community.　他对这个社团有很强的影响力。
　It was unanimously agreed that some active measures be taken to improve the situation.　大家一致同意采取积极措施来改善局势。
　This sentence is in the active voice.　这个句子是主动语态。
　Joe Hill took an active part in the worker's struggles for better pay and better conditions.　乔·希尔积极参加为改善待遇和工作条件而进行的工人斗争。
　The retired engineer takes an active part in neighbourhood affairs.　这位退休工程师积极参加街道活动。

　Their children are well-fed, active and healthy.　他们的孩子都喂养得很好，活泼而又健康。
　He may be old, but he is more active than some young men.　他年龄可能是大了些，但比某些年轻人积极。
　He's over 90 and not very active.　他九十多岁，不大活动了。
　Old people cannot be so active as young people.　老年人不像年轻人那么活跃。
　They are rare women who become active instead of apathetic as they grow older.　她们是愈老愈活跃、十分罕见的妇女。
　Although he is over 70, he is still active.　虽然他已年过七旬，却仍然精力充沛。
　In "I study English" the verb is active.　在I study English一句中动词为主动语态形式。

　I heard that he was active about some business.　我听说他对某一生意非常热心。
　The mayor's wife is active about public welfare.　市长的妻子积极从事社会福利工作。

　He has been active as a television writer and journalist.　作为一个电视撰稿人和记者，他一直很活跃。

　He is ardently active for the object.　他执著地追求那一目标。
　They were active for the cause of environmental protection.　他们积极致力于环保事业。

　I am as active as you in physical training.　我和你一样积极参加体育锻炼。
　She's active in the work of the Trade Union.　她做工会工作很积极。
　As a young man, he was active in politics in his spare time.　他年轻时，业余时间里积极参加政治活动。
　He is active in sports.　他在体育运动中很活跃。
　He is active in work.　他工作积极。
　The boy is active in imagination.　那男孩富于想象。
　What you said probably explains why you haven't been as active as some of the others in the discussion.　你说的话很能说明你为什么在讨论时一直没有其他人积极。
　She is active in doing good to mankind.　她热心于为人类做好事。
　From the start, he was active in drawing public attention to that political issue.　他从一开始就积极地使公众注意那个政治问题。

　Seeing him so active was a great encouragement.　看到他如此活跃真是一件令人鼓舞的事情。

 ♣ active, busy, diligent
　这三个词意思比较接近，但含义不同：active侧重主动、活跃；busy侧重忙碌，没有时间；diligent侧重勤勉、用功。另外， active和diligent后多接in，而busy后多接with.
 ♣ active, positive
　这两个词都可译为“积极的”，其区别在于侧重点不同：active强调主观因素的作用；而positive强调客观效果或影响。例如：
　It is important to bring all the positive factors into full play in the building of socialism.　在社会主义建设事业中调动一切积极因素是很重要的。
　For this project, I hope that everyone will make positive suggestions.　对这项工程，希望大家提出积极建议。

　［派生词］ actively adv.积极地；主动地
　［同义词］ alert, alive, quick; imaginative; diligent; lively; vigorous, busy, occupied, functioning, operative, vibrant, working
　［反义词］ slow, inert
　［词源］拉丁语activus（有…倾向的）