1.emphasize v.著重，強調(to place emphasis on)

聯想記憶：em+phas(看作phrase用短語表達)+ize--用短語表達是為了強調--強調

例：The committees must develop incentive compensation policies to emphasize long-term performance.

派生詞：emphasis(n.重點，強調)

2.empirical a.經驗主義的,經驗的（originating in or based on observation or experience）

聯想記憶：empiri(看作empire帝國)+cal--參照帝國以前的經驗--經驗的

例：These models are constructed primarily from empirical observations.

3.emulate v.效仿(to imitate)；努力趕上或超越（to strive to equaIor exceI）

詞根記憶：emul(競爭)+ate --種競爭的姿態一努力趕上或超越

例：Mexican Americans should emulate the strategies of Native American political leaders.,,I tried to emulate Mary's skill at playing the piano.

派生詞：emulous(a．好勝的)

4.enact v.制定或通過（法令）(to make or pass (a decree))

詞根記憶：en(使)+act（行動）--使（法律）行動一制定或通過（法令）

例：Several towns in Vorland enacted restaurant smoking restrictions five years ago.

同根詞：interact(v.相互作用，互相影響)：transact(v.處理;執行)

5.enamel n.牙釉質(a hard calcareous substance that forms a thin layer capping the teeth)；搪瓷(a usually opaque vitreous composition applied by fusion to the surface of metal, glass, or pottery);v.彩飾(to beautify with a colorful surface)

例：Applying a new method for analyzing the chemistry of tooth enamel, scientists have examined molars of prehuman ancestors and determined that their diets were more varied than had been supposed.

6.encephalitis n.【醫】腦炎(inflammation of the brain)

7.enclose v.圍繞，包圈(to surround)

例：The enclosed seas are an important feature of the earth's surface.

8.encode v.譯碼，編碼( to convert, usu.a message, into code)

詞根記憶：en+code(電碼，密碼)--譯碼

例：In a certain coding scheme, each word is encoded by replacing each letter in the word with another letter.

9.encompass v.包含(to include)；圍繞(to surround, to encircle)

詞根記憶：en+compass(羅盤：范圍)--進入范圍--包含

例：The themes in her poetry are universal, encompassvng much of the human condition.

10.encounter v.偶然碰到，遭遇(to come upon or experience unexpectedly)；n.意外相見(a chance meeting)

詞根記憶：en+counter(相反的)--從兩個相反方面來一偶然碰到

例：Most meteor streams that the earth encounters are more than 2,000 years old.