1.persist v.(in)坚持(to insist)；继续(to continue)

词根记忆：per(始终)+sist(站立)--始终站立--坚持：继续

例：He persists in riding that dreadful bicycle.//These effects may persist for three generations.

派生词：persistence(n．坚持不懈)：persistent(a．坚持不懈的)

2.personality n．个性，品格(the quality or state of being a person)；名人(a person of importance, prominence, renown, or notoriety)

例：It can assess more than 300 personality traits, including enthusiasm, imagination, and ambition.

同根词：intrapersonal(a．内心的)

3.personhood n.做人：人格

词根记忆：person(人)+hood--人格

例：In order to bolster her thesis, the historian adopted the anthropological perspective on personhood.

同根词：personality(n.个性：品格)

4.personnel n．全体人员(a body of persons usually employed)；人事部门(a division of an organization concerned with personnel)

词根记忆：person(人)+nel--全体人员

例：The company's personnel director surveyed employees about their satisfaction with the company's system.

5.perspective n．（看待事物的）角度，观点(point of view)

词根记忆：per(贯穿)+spect(看)+ive--贯穿看，透视法--角度，观点

例：The narrowness of this perspective ignores the pervasive recessions and joblessness.

6.persuade v说服，劝说(to move by argument, entreaty, or expostulation to a belief, position, or course of action)

例：Major local efforts have been done to persuade the public to use public transportation for the past thirty years.

派生词：persuasion(n．说服，说服力)

7.pertinent a．相关的(relevant)

词根记忆：per(始终)+tin（拿住）+ent--始终拿住--相关的

例：pertinent evidence相关证据

8.perturb v.打扰( to disturb)；【天】摄动（引起天体轨道变化）

词根记忆：per+turb(扰乱)--打扰

注意：disturb(n.打扰)

例：Lisa was quite perturbed by Tom's strange behavior.//The dust particles' individual orbits are perturbed by planetary gravitational fields.

派生词：perturbation(n.扰乱；摄动)