1.epicenter n.震中(the part of the earth's surface directly above the focus of an earthquake)

發音記憶：epi(挨劈)+center(中心)--土地挨劈的中心--震中

例：The epicenteris in the crust, whereas the focus is in the mantle.

2.epidemic a．傳染的(catching)；流行性的( spreading quickly among many people in the same place for a time);n.流行病(disease spreading rapidly and extensively by infection)

詞根記憶：epi(向)+dem(人)+ic一在人之間傳染的一傳染的；流行性的

例：epidemic disease流行性疾病//The Black Plague was an epidemic in the Middle Ages.

3.episode n.一段情節(a usually brief unit of action in a dramatic or literary work);（一個）事件(an incident or event that is part of a progression or a larger sequence)

例：Major episodes of extinction can result from widespread environmental disturbances.

4.episodic a．偶然發生的；分散性的（occurringrreguIarIy）

詞根記憶：來自episode(n.片斷)

例：The binding of different kinds of information is not a distinctive feature of episodic memory.

5.epochal a．劃時代的(of or relating to an epoch)；有重大意義的(uniquely or highly significant)

詞根記憶：epoch(時代)+al--劃時代的

例：The Supreme Court had issued its ruling in this epochal desegregation case.

6.equalize v.（使）平衡，相等(to make equal)

例：Bob equalized the amount of soup in the bowls he was filling.

7.equilibrium n.平衡（a state of balance or equality between opposing forces)

詞根記憶：equi（平等）+libr(平衡)+ium --平衡

例：By persuading people to eat what had previously been horse feed,market equihbrium was restored.

同根詞：equilibrate(v.使平衡)

8.equip v.(with)裝備，配備(to furnish)

例：This hotel was equipped with cable television.

派生詞:equipment(n.裝備，配備)

9.equity n.公平，公正(justice)

詞根記憶：equi（相等）+ty--西邊都相等--公平，公正

例：They should consider promoting pay equity between temporary and permanent workers.

派生詞:equitable(a．公平的，公正的)

10.equivalent a．相同的，相當的(equal, same);n.等價物(something that is essentially equal to another)

詞根記憶：equi(相等)+val(力量)+ent--力量相等的--相同的

例：The myth that labor rates and labor costs are equivalent is supported by business journalists.