ETIM东突分子ETabbr.东部时间（=Eastern Time)abbr.外星人（=extraterrestrial）ethyl pyrophosphate焦磷酸(四)乙酯ethyl fluoroacetate氟乙酸乙酯ethyl phenyl ketone苯丙酮,乙基苯基酮ethyl isoamyl ether乙基 异戊基醚Ethaeridine lactate乳酸依沙吖啶ethyl orthosilicate正硅酸乙酯etioplast membranes白化体膜ethyl anthraquinone乙基蒽醌ethyl butyrate test丁酸乙酯试验:检胰脂酶ethyl sulfuric acia乙基代硫酸