Key:①ad.活跃地,积极地
②n.活跃,活动性,行动,行为
activity n.活动;活力;行动
典型例句:Students may get to know the world outside the campus by taking part in various and colorful activities in their spare time.
译文:学生们在业余时间可以通过参加各种各样、多姿多彩的活动来了解校园之外的世界。
导学:该词属于常考词汇,在写作中出现频率较高,如常用短语social activity(社会活动),political activity(政治活动),recreational activity(娱乐活动)等。
acute a.尖的,锐的;敏锐的;(疾病)急性的;严重的
典型例句:Although most birds have only a negligible sense of smell,they have acute vision.
译文:虽然大多数鸟的嗅觉很差,然而它们的视觉却很敏锐。
想一想:acutely
Key:ad.尖锐地;剧烈地
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