ETIM东突分子ETabbr.东部时间（=Eastern Time)abbr.外星人（=extraterrestrial）ethyl crotonic acid乙基巴豆酸ethyl ether extract乙醚浸出物ethmovomerine plate[医] 筛犁板ethinyl trichloride三氯乙烯ethyl-vinyl ether[医] 乙基乙烯基醚ethyl succinic acid乙基丁二酸Etmopterus pusillusn.小乌鲨Etiella zinckenella大豆荚螟ethyl phenylacetate苯乙酸乙酯ethyl thioglycolate巯基乙酸乙酯