acro 顶端、尖端、高处<br>
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acrobat 杂技演员 a political acrobat 朝秦暮楚的政客<br>
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acrocarpous 茎端结实的 <br>
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acrogen 顶生植物<br>
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acromegalic 肢端肥大症患者的<br>
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acronym 缩写字 A word made up from the letters of the name of something such as an orgnization<br><br>
acrophobia 恐高症<br>
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acropolis 城堡,雅典的卫城