1.psyche n．心智．精神(soul, mind)
词根记忆：psych(心理)+e——心智，精神：原指“普赛克”仙女，Psyche是人类灵魂的象征，以长着蝴蝶翅膀的少女形象出现，和爱神丘比特相恋
例：After years of abuse, Mary's psyche was deeply scarred.
同根词：psychiatry(n.精神病学)；psychopathic(a.患精神病的)：psychotic（a./n.精神病的，疯子）；psychic(a．精神的)

2.psychological a.心理学的（of or relating to psychology）；心理的,精神的
词根记忆：psycho(心灵，精神)+log(说)+ical(……的)——心理的，精神的
例：Besides yielding such psychological rewards as relief from stress, deep relaxation, if practiced regularly, can strengthen the immune system and produce a host of other physiological benefits.
派生词：psychologically( ad.心理上地；心理学上地)

3.psychopath n.精神变态者(a person affected with antisocial personality disorder)
词根记忆：psycho(精神)+path(病患者)——精神病患者——精神变态者
例：The psychopath was imprisoned in a private cell.
同根词：psychosis(n．精神病，变态心理)

4.pugnacious a.好斗的(having a quarrelsome or combative nature)
词根记忆：pugn(打斗)+acious(多……的)——好斗的
例：The Olympic Games helped to keep peace among the pugnacious states of the Greek world.
派生词：pugnacity(n.好斗性)

5.pulp n.浆状物(substance with a soft texture similar to these)；纸浆(soft mass of wood fibre, used for making paper)
和bulb(n.球形物：鳞茎)一起记
例：wood pulp 木质纸浆

6.punishable a．可罚的；该罚的(liable to or deserving punishment)
词根记忆：来自punish(v.惩罚)
例：Because of a law passed in 1933 making it a crime punishable by imprisonment for a United States citizen to hold gold in the form of bullion or coins, immigrants found that on arrival in the United States they had to surrender all of the gold they had brought with them.
同根词：punishment(n．惩罚)

7.pup n．小狗(a young dog);幼兽(one of the young of various animals)：v.产崽(to give birth to pups)
注意：pub(n．小酒馆)
例：rat pups幼鼠

8.purchase v.购买(to constitute the means for buying)；n．购买(an act or instance of purchasing)；支点（阻止东西下滑）(a mechanical hold)
联想记忆：pur+chase(追逐)——为了得到紧俏的商品而竞相追逐——购买
例：Homeowners aged 40 t0 50 are more likely to purchase ice cream and are more likely to purchase it in larger amounts than are members of any other demographic group.

9.purchaser n．买方，购买者(buyer)
词根记忆：来自purchase(v.购买)
例：They typically are instituted at the urging of the supplier rather than the purchaser.
同根词：purchasable(a．可买的)