1. active,作形容词,意为“忙碌的,活跃的,积极的”等 My grandmother is still very active at eighty-five.我祖母八十五岁时仍然很活跃。He is an active member of the club.他是俱乐部的活跃成员。2. actively,作副词,意为“活跃地,积极地”等 She’s actively looking for a job.她正在积极地找工作。Your proposal is being actively considered.你的建议正在积极考虑中。3. activity,作名词,意为“活动,活跃”等 The streets were noisy and full of activity.街上熙熙攘攘,车水马龙。She takes part in many school activities.她参加许多学校活动。4. actor/actress,作名词,意为“演员”,分别指男女演员 He is a talented actor.他是个有才华的演员。She's a very great dramatic actress.她是一个非常了不起的戏剧演员。5. actual,作形容词,意为“实际的,真实的”等 What were his actual words?他的原话是什么?The actual cost was higher than expected.实际成本高于预期。