Acen阿森acen.幺点；好手；高手；发球得分adj.一流的；卓越的vt.发球得分；考试中取得好成绩acetylmorphine乙酰吗啡acetoxyacetone乙酸基丙酮acetyl dioxide[医] 二氧化乙酰acetyl hydrate醋酸acetphenetidinn.乙酰乙氧苯胺acetylated fat乙酰脂肪acetenyl group乙炔基acetyl colours乙酰染料acenaphthenone二氢苊酮acephalostomia无头有口畸形