Etre埃特ETabbr.东部时间（=Eastern Time)abbr.外星人（=extraterrestrial）ethmoidofrontal suture[医] 筛额缝ethyl acetate extracls乙酸乙酯提取物ethane tellurinic acid乙基亚碲酸ethylation in the cold冷时乙基化ethoxylated oleic acid乙氧基化油酸ethanal ethyl aldehyde(增香剂) 乙醛ethnological dimension民族学幅度Etilefrine measurement依替福林测量ethyldichlorophosphate乙醇基磷酰二氯ethyl heptine carbonate庚炔羧酸乙酯