1.peak n.顶点；a．最高的(being at or reaching the maximum)；v.到达最高点(to achieve a maximum of development, value or intensity)

记：peak作为“山峰”--意大家都熟悉

例：peak profits最大利润 //After increasing steadily for centuries, the total annual catch of all wild fish peaked in 1989.

2.peat n．泥煤(partially carbonized vegetable tissue formed by partial decom-position in water of various plants)

例：The Scottish Highlands were once the site of extensive forests, but these forests have mostly disappeared and been replaced by peat bogs.

派生词：peaty(a．多泥煤的；泥煤似的)

3.peculiar a.独特的，特殊的(distinctive, characteristic)

例：The report described the peculiar economic features of the health-care industry.

4.pecuniary a．金钱上的，金钱的(of/or relating to money)

词根记忆：pecuni（钱财）+ary--金钱的

例：pecuniary penalty罚金

5.pedal n．踏板，脚蹬(a flat bar on a machine such as a bicycle, car, etc. that you push down with your foot to make parts of the machine move or work);v.骑脚踏车(to ride a bicycle)

词根记忆：ped(脚)+aI（东西）--脚蹬

例：A New York City ordinance of 1897 regulated the use of bicycles, requiring cyclists to keep feet on pedals and hands on handlebars at all times.

同根词：biped(n.两足动物；a．有两足的)

6.peddle v.兜售，叫卖（to sell or offer for sale from place to place）

词根记忆：ped(脚)+dIe--行走在大街上叫卖--兜售

例：Someone on the street corner was peddling neckties and watches.

7.pedestrian n．行人(walker)

词根记忆：ped(脚)+estrian--用脚走的，徒步的--行人

例：pedestrian overpass人行天桥

8.peel v.削…的皮(to strip or cut away the skin, rind, or bark from);几．（水果等的）皮(the skin or rind of certain fruits and vegetables)

发音记忆：“皮儿”--脱皮

例：Peeled potatoes in cans are more expensive than the less convenient fresh potatoes.

9.peer n．同等之人，同辈(one that is of equal standing with another);v.凝视(to look narrowly or curiously)

例：Primary institutions comprising the support network include kinship peer, and neighborhood or community subgroups.