1.oternal a．永久的，永恒的(existing forever)

例：Some astronomers hold that the universe was etemal and infinitely steady-state.

2.ethanol n.乙醇，酒精(a colorless volatile flammable liquid that is the intoxicating agent in liquors and is also used as a solvent and in fuel)

例：Many countries that are large consumers of sugarcane increased their production of sugarcane-based ethanol.

3.ethic n.道德標準，行為準則(a theory or system of moral values)

例：Some academicians believe that business ethics should be integrated into every business course.

派生詞:ethical(a．與倫理有關的)

4.ethnic a．種族的，民族的(of a national, racial or tribal group that has a common cultural tradition)

詞根記憶：ethn(種族)+ic--種族的，民族的

例：Such self-help networks encourage and support ethnic minorit3t entrepreneurs.

派生詞:ethnical(a.種族的)；ethnicity(n.種族劃分)

同根詞：ethnocentric(a．種族中心主義的)；ethnological(a．人種學的)

5.ethnographic a．人種學的，人種論的(the study and systematic recording of human cultures)

詞根記憶：來自ethnography(n.人種學，人種論)

例：ethnographic information人種學信息

同根詞：ethnologist（n.人種學者：人類文化學者）；ethnocentrism(n.民族優越感)

6.ethnomusicology n.人種音樂學(the study of music in a sociocultural context)

詞根記憶：ethno( =ethnic人種的)+music（音樂）+ology(學科)一人種音樂學

例：In 1905, B61a Bart6k and ZoltC:in Kodtily began their pioneering work in ethnomusicologl, and they were armed only with an Edison phonograph and insatiable curiosity.

派生詞:ethnomusicological(a．人種音樂學的)

7.euphoria n.精神歡快：興奮(a feeling of well-being or elation）

詞根記憶：eu(好)+phor(帶來)+ia -帶來好的情緒一興奮

例：I cannot describe the euphorial felt when my daughter was born.//For a small percentage of depressed patients, missing a night's sleep induces a temporary sense of euphoria.

8.eusocial a．（昆蟲）完全群居的（living inicooperative group）

詞根記憶：eu(好)+social(社會的)一喜歡融入社會的--完全群居的

例：eusocial insects群居類昆蟲

9.evacuation n.散離，疏散(the act or process of evacuating）

詞根記憶：來自evacuate(v.撤離，疏散)，e+vacu(空)+ate--撤空了--撤離

例：The evacuation was done in a calm and orderly manner.

同根詞：vacant(a．空的)；vacuum(n．真空)

10.evade v.躲開(to slip away)；逃避(to escape or avoid by cleverness or deceit)

詞根記憶：e+vade(走)--走出去--躲開

例：evade an attack躲避攻擊//evade taxes逃稅

派生詞:evader(n．逃避者)：evasion(n.躲避；逃避)