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1.antiquty n.古代 (ancient times)；古物（relics or monuments of ancient times) 例:Rome under Augustus and fifth-century Athens provide the most obvious examples in antiquity. 2.antitrust a.反托拉斯的，反垄断的(opposing or intended to regulate business monopolies, such as trusts on cartels) 词根记忆：anti(反对)+trust(联合企业，托拉斯)--反托拉斯的 例:antitrust laws反垄断法 3.aperiodic a.不定期的，非周期性的( of irregular occurrence) 词根记忆：a（不）+period(周期)+ic--不定期的，非周期性的 例:The work of mathematician Roger Penrose in the early 1970s, on the geometry of what are called aperiodic tiles, turned out to describe the architecture of a previously unknown class of crystals. 同根词：periodic(a.周期的;定期的) 4.apex n.顶点，最高点(peak; vertex) 例:The hangar is 103 feet high at the apex of its roof. 5.apiece ad.每个，每人，各(for each one, individually) 联想记忆：a+piece(片)_每人一片--每个，每人 例:Elena purchased brand×pens for $4.00 aprbce and brand Y pens for $2.80 apiece. 6.apparatus n.仪器;设备(device, equipment) 例:No apparatus can detect nerrtrinos unless it is extremely massive. 7.apparel n.衣服，服根clothing．garments） | 
