1.exodus n.（大批的）离开，移居(a mass departure, emigration)

词根记忆：ex(出)+(h)odus(路)--都到路上去--（大批）的离去，移民

例：Numerous investigations documented an exodus from rural southern areas to southern cities.

2.exonerate v.证明…无罪(to excuIpate)；(使）免受指控(to clear from accusation or blame)

词根记忆：ex（出）+oner(负担)+ate一走出负担--证明…无罪

例：Alfred was imprisoned for twelve years before he was exonerated.

派生词:exoneration(n．证明无罪)

3.exotic a．外来的（introduced from another country)；异乎寻常的(strikingly, excitingly, or mysteriously different or unusual)

词根记忆：exo(外面)+tic--外面来的--外来的

例：an exotic word外来词//exotic situations异常状况

4.axpatriate v.移居国外(to leave one's native country to live elsewhere);n.移居国外的人(one who removed to a foreign country)

联想记忆：ex（出）+patri(父亲)+ate--离开自己的父亲--移居国外

例：The expatnate made her new home in France.

同根词：patriotism(n.爱国主义)i patricide(n.杀父)

5.expedient n.权宜之计(makeshift；对策(something that is a means to an affair)

联想记忆：ex(出)+ped(脚)+ient_将脚抽出--抽身而退--对策

例：a temporary expedient权宜之计

同根词：centipede(n.蜈蚣)

6.expedition n.远征队，探险队(the group of persons making a journey or excursion undertaken for a specific purpose)

例：scientific archeological expeditions科学考古队

7.expenditure n．消耗（the act or processl of expending）；花费(sth.expended)；支出(disbursement)

词根记忆：来自expend(v.花费，消耗)

例：For several years, per capita expenditura on prescription drugs in Voronia rose by fifteen percent or more annually.

同根词：expensive(a.昂贵的)

8.experience n.经历(sth. personally encountered or undergone)；经验(the knowledge and skill gained through doing sth for a period of time);讥经历(to have experience of)；经验(to learn by experience)

例：Women's oral histories depict exirxu;ibnce from the point of view of women.

派生词:experienced（a．老练的；富有经验的）

同根词：experiment(n.实验；让尝试)

9.expertise n.专门知识（或技能等），专长(the skill of an expert)

词根记忆：来自expert(n.专家)

例：The hospital administrators lack the expertise to question medical decisions.

10.expire v.期满，终止(to come to an end)；断气(to breathe one's last breath)；呼气( to emit the breath)

词根记忆：ex（出）+pire( =spire呼吸)--出了呼吸--断气

例：My labor agreement wrth the company is due to expire next Januanjr.//Bill expired in his sleep after a long illness.