1.embryo n.胚胎(an organism in its early stages of development, especially before it has reached a distinctively recognizable form)

词根记忆：em+bryo(变大)--(种子等）变大--胚胎

例：By studying the fruit fly, scientists begin to unravel the secrets of how embryos develop.

派生词：embryology(n.胚胎学)：embryonic(a.胚胎的；开始的)

2.embrlvonic a．胚胎的；萌芽期的(incipient;rudimentary)

词根记忆：来自embryo(n.胚胎)

例：embnlonic stem cells胚胎干细胞

同根词：embryology(n.胚胎学)

3.emerge v.浮现(to rise from)；（事实等）暴露(to become manifest)

词根记忆：e（出）+merge(浸没)--从浸没之中出来--浮现

例：The new school of political histor)t emerrrged in the 1960's and 1970's.

派生词：emergence(n.浮现，出现)

同根词：emersion(n.浮出)：immerge(v.浸入)：submerge(v.淹没)

4.emergence n.出现，浮现(the act or an instance of emerging)；露头(any of various superficial outgrowths of plant tissue)

词根记忆：来自emerge(v.浮现;暴露)

例：There is widespread belief that the emergence of giant industries has been accompanied by an equivalent surge in industrial research.

同根词：emergent(a.紧急的)：emergency(n.紧急情况)

5.emergency n.紧急情况，紧急事件（an urgent need for assistance or relief）

联想记忆：紧急情况(emergency)出现(emerge)

例：an emergency exit紧急出口

6.emigrate v.移居他国(to leave one's place of residence or country to live elsewhere)

词根记忆：e（出）+migrate(移动)--移出本国--移居他国

例：Less successful after she emig.ated to New York than she had been in her native Germany, photographer Lotte Jacobi nevertheless earned a small group of discerning admirers.

派生词：emigration(n.移民出境)

同根词：immigrate(v.移入)

7.eminent a.杰出的(prominent)；突出的（projecting）

词根记忆：e（出）+min（突出）+ent++突出的；杰出的

例：She established her reputation as an eminent social reformer.//eminent peaks巍峨的山峰

同根词：preeminent(a．杰出的)

8.emission n.（光、热等的）散发(an act or instance of emitting)

词根记忆：e（出）+miss(放出)+ion--放出--（光、热等）的散发

例：Automobile emissions are the largest source of air pollution.

9.emit v.放射（光、热、味等）(to send out; to eject)

词根记忆：e（出）+mit（放出）--放射

例：Elephants emit low-frequency sounds that may be used as a secret language to communicate with other members of the herd.

派生词:emission(n.发射)

10.emphasis v.重点;强调(importance given in sth.)

例：The first six Presidents placed great emphasis on individualism and civil rights.

同根词：emphasize(v.着重，强调)