Ettyn.埃蒂ETabbr.东部时间（=Eastern Time)abbr.外星人（=extraterrestrial）ethologo paleontology古生态学ethenesulfonic sodium乙烯磺酸钠ethylhexyl salicylate水杨酸乙基己酯ethylmercuric bromide溴化乙汞ethyl mercury acetate乙酸乙汞etiological treatment病因疗法ethyl alcohol extract叶、果实、根；醇提取物Ethylidene Dicoumarol乙叉双香豆素[抗凝血药]ethnological research民族学研究ethyl norgestrienonum三烯高诺酮