ETX=End-of-Text 电文终了记号ETabbr.东部时间（=Eastern Time)abbr.外星人（=extraterrestrial）ethyl halide乙基卤Etruscan art埃特鲁斯坎美术eternit duct石棉水泥管道ethyl ketone甲乙酮的别名Etrozolidina羟基保泰松[抗炎解热镇痛药]ethenylidene亚乙烯基etypronaline异他林(支气管扩张药)ethmofrontal[医] 筛额[骨]的etopropazine二乙异丙嗪(抗震颤麻痹药, 抗胆碱药)ethyl cresol乙基甲酚