ETVn.大众电视教育电视(educational television).ETabbr.东部时间（=Eastern Time)abbr.外星人（=extraterrestrial）etodolic acid依托度酸ethyl pentane乙基戊烷Etienne Dagon达贡eticlordifene氯硝苯醋胺(抗阿米巴药)ethyl sorbate山梨酸乙酯ethyl cyanide乙基氰ethylmercuric乙基汞ethoxzolamide乙氧苯唑胺ethnomedicine民族医学ethyl acetone乙基丙酮