pal
n.伙伴,哥儿们（口语）
Hey, pal! Want to go see a movie?
嘿，哥儿们，想不想去看场电影？
Susan has several pen pals, some of whom she has known for ages but has never met in person.
苏珊有几个笔友，其中有的认识很多年了，但从没实际见过面。
parcel
n.包裹
Please take this parcel to the post office and have it sent immediately.
请把这个包裹章到邮局立刻把它寄掉。
postage
n.邮资，邮费
What's the postage for this letter to be sent to London?
这封信寄到伦敦的邮资要多少钱？
postman
n.邮差
The postman rang the doorbell several times, but nobody came to answer the door.
邮差按了好几次电铃,但没人前来应门。
passport
n.护照
You have to present your passport as you go through customs.
你出入海关必须出示护照。
pity
n.同情;可惜,遗憾
Mr. Green took pity on me and let me postpone my presentation until Friday.
葛林老师同情我的处境,让我延到星期五再做报告。
It is a pity that John didn't come to the party.
约翰没来派对真可惜。
pollute
vt.污染
The exhaust from our cars pollutes the air and causes asthma in children.
我们汽车排放的废气会污染空气，使幼童罹患气喘。
pollution
n.污染
Pollution control has become one of the country's major concerns.
污染防制已成为该国关切的重要议题之一。
rot
vt.使腐败 vi.腐化
Sweets will rot your teeth if you eat too many of them.
如果你吃太多甜食，可是会蛀牙的。
Fruit rots quickly on such hot days.
大热天水果会腐烂得很快。
rotten
a.腐败的；贪腐的
The smell of rotten food disgusts me.
腐败的食物味道令我作呕。
The rotten official was sentenced to 5 years in prison.
该贪腐官员被判处5年徒刑。