mid-14c., "given to worldly activity" (opposed to contemplative or monastic), from Old French actif (12c.) or directly from Latin activus, from actus (see act (n.)). As "capable of acting" (opposed to passive), from late 14c. Meaning "energetic, lively" is from 1590s; that of "working, effective, in operation" is from 1640s. Active voice is recorded from 1765 (grammatical use of active dates from mid-15c.).
权威例句
1. In April 1944 he was killed on active service.
1944年4月他在战时服役中阵亡。
2. His daughter was very active and noisy in the mornings.
他的女儿一到上午就很好动,吵吵闹闹的。
3. An active and expansive market economy is a necessary condition for progress.
积极扩张的市场经济是发展的必要条件。
4. The active ingredient in some of the mouthwashes was simply detergent.
某些漱口剂中的有效成分只不过是洗涤剂而已。
5. I am an active member of the Conservative Party.