Ethen.埃特(在比利时；东经 5º35' 北纬 49º35')ETabbr.东部时间（=Eastern Time)abbr.外星人（=extraterrestrial）Ethmodiscus gazellaen.伽氏巨盘藻ethyl thionamic acid乙氨基磺酸ethyl dibromoacetate二溴乙酸乙酯etectile dysfunction勃起功能障碍ethylenimine quinone癌抑散ethyl n-amyl ether[化] 乙基·戊基醚; 乙基·正戊基醚ethyl hydroxy pyrone乙基羟基吡喃酮ethyl phenyl acetate苯乙酸乙酯ethmoidale posterius筛后孔ethyl phenyl sulfide苯乙硫醚