1.portray v.描寫，描繪(to describe in words)

聯想記憶：por(看作pour．倒)+tray(碟)--將顏料倒在碟子上——描寫，描繪

例：Not only does the GDP mask this erosion in the social structure, it can actually portray it as an economic gain.

派生詞：portrayal(n.描繪；肖像)

2.posit v．斷定，認為（to assume or affirm the existence of）

聯想記憶：可以斷定(posit)，確實(positive)是這樣

例：They posit that biological distinctions between the sexes result in a necessary sexual division of labor.

3.positive a．肯定的(sure)；積極的active）；【數】正的

例：There are clear and positive signs that people are becoming more respectful of one another's differences. positive integer正整數

派生詞：positively( ad.斷然地；肯定地)

4.possess v.具有，擁有Ito own）

例：The patrons who paid bills in cash did not possess credit cards.

派生詞：possession(n.擁有；財產)；possessed（a．著迷的）；possessiveness（n.占有）

5.possibility n．可能性(the condition or fact of being possible)

詞根記憶：來自possible(a．可能的：合適的)

例：Early treatment of high cholesterol does not eliminate the possibility of a stroke later in life.

同根詞：impossible(a．不可能的)

6.postage n．郵資，郵費(the fee for postal service)

詞根記憶：post(郵政)+age(費用)--郵費，郵資

例：The rarer something becomes, whether it is a baseball card or a musical recording or a postage stamp, the more avidly it is sought by collectors.

同根詞：postal(a．郵政的)

7.postal a．郵政的：郵局的（of or relating to the mails or the post office）

詞根記憶：post(郵政)+al——郵政的

例：Postal workers are representative of service workers in general.

同根詞：postbox(n．郵箱)；postcode(n.郵政編碼)

8.posterity n．子孫，后代（offspring）

詞根記憶：post(后)+erity--后面的人--后代

9.potent a．效力強的，烈性的（chemically or medicinally effective）

詞根記憶：pot(能力)+ent——能力大的——效力強的，烈性的

例：The potent drug knocked John unconscious.