ETIn.已过时间指示器ETabbr.东部时间（=Eastern Time)abbr.外星人（=extraterrestrial）ethyl nonylate壬酸乙酯ethylstibamine乙胺, 新生ethyl alocohol乙醇, 酒精etidronic acid羟乙磷酸ethoxybiphenyl乙氧基联苯ethylephedrine乙基麻黄碱ethyl guaiacol乙基愈疮木酚ethnographicaladj.民族志学的ethyl pyruvate丙酮酸乙酯Etiolated leaf色叶