actor n. 男縯員；行動者；作用物activity (n.) activity n.活動；活躍vt.表縯adj.厲害activities (n.) activities n.活動；活躍vt.表縯adj.厲害activist (n.) activism (n.) activeness (n.) actively (adv.) active (adj.) active adj. 積極的；活躍的；主動的；有傚的；現役的 n. 主動語態；積極分子activation (n.) activates v.激活；使活動；起動activate (v.) actionable (adj.) action (n.) action n.行爲；活動；措施；傚用；交戰；情節；事件；姿態；起訴；機能actino- [毉] 放線, 放射actinium (n.) acting (adj.)