5334.principal(名)校长；资本；主角(形)主要的；本钱的
(名):The performance of the two principals is disappointing．
两位主角的表演令人失望。
(形):The principal reason for this omission is lack of time．
跳过它的主要原因是时间不足。

5335.principally(副)主要地
The money is invested principally in oil.
资金主要用于石油方面。

5336.principle(名)原则；本质；正道
Their diplomatic principles completaly laid bare their ambition for world conquest.
他们的外交原则将他们要征服世界的野心暴露无遗。

5337.prison(名)监狱
He was sent to prison for five years.
他被关进监狱五年了。

5338.prisoner(名)囚犯
The number of prisoners seirving life sentences has fallen.
被判无期徒刑的囚犯数目下降了。

5339.privacy(名)隐私权；隐居；独处
With seven people squashed one house,you don't get much privacy.
7个人挤在一栋房子里，你无法不受干扰地独处。

5340.private(形)隐私的、个人的、民间的
同义词individual
Make suggestions to your friends in private. Praise your friends in public.
劝告朋友要在无人地方，赞扬朋友可在人多场合。

5341.privately(副)私下地
Their children were educated privately.
他们的子女都是上私立学校的。

5342.probability(名)可能、几率
From a bag containing 3 red balls and 7 white balls,the probability of a red ball's being drawn first is 3/10．
从装着3个红球和7个白球的袋里，先取到红球的几率为3/10。

5343.probe(动)探查
The surgeon probed for the bullet in the man's back．
外科医生探查这人背上的子弹。

5344.procedure(名)程序、步骤
Do you know the correct procedures to follow during a fire drill?
你知道消防演习要遵守哪些正确步骤吗？

5345.proceed(动)前进、继续进行
Subscribers can customize the information they want to receive and proceed directly to a company's Web site．
订阅者可以制定想要接收的资讯，并直接进入公司的网站。

5346.proceeding(名)行动、措施
The Mayor will open the proceedings at the City Hall tomorrow.
明天市长将在市政厅宣布大会开幕。

5347.process(名)过程(动)加工
(名): I'm afraid getting things changed will be a slow process.
做任何改革恐怕都会是个缓慢的过程。
(动):I sent three rolls of film away to be processed.
我送了三卷底片去冲洗。

5348.processing(名)加工；过程
I do word processing.
我进行文字处理。

5349.procession(名)队伍、行列
Thousands of workers joined the funeral procession.
数千名工人加入了送葬行列。

5350.proclaim(动)宣布、显示
The president proclaimed a state of ermergency．
总统宣布了紧急状态。

5351.proclamation(名)宣言、公告
When this proclamation came out,they rebelled．
当这个公告一发布，他们就造反了。

5352.produce(动)生产；演出
同义词create
These shrubs produce bright red berries．
这些灌木能长出鲜红的浆果。

5353.producer(名)生产者
Libya is a major oil producer.
利比亚是主要石油生产国之一。

5354.product(名)产品；成果；作品
The pian was the product of many days of careful thought.
这个计划是许多天仔细考虑的成果。

5355.production(名)生产、制作、产量；制片
Thousands of men were employed in the production of cars.
成千上万的人被雇用来生产汽车。

5356.productive(形)有生产的；多产的；有收获的
My time spent in the library was very productive．
我花在图书馆的时间很有收获。

5357.productivity(名)生产力
Productivity in the steel industry improved by 10% last year.
钢铁业去年的生产力增加了10%。

5358.profession(名)职业
同义词vocation
She was at the very top of her profession.
她是她那个行业中的佼佼者。

5359.professional(形)职业的；专业的
Many of the performers were of professional standard.
许多表演者都达到了专业人员的水准。

5360.professor(名)教授
Ha was made professor at the age of 40.
他40岁时就成为教授。

5361.proficient(形)精通的
She's proficient in sevreral languages．
她精通好几种语言。

5362.profile(名)侧面像、轮廓
The painter drew a profile for the girl.
画家给那个女孩画了侧面像。

5363.profit(动)有益于
We hope our criticisms and suggestions will profit you．
我们希望我们的批评和建议将对你有所裨益。

5364.profitable(形)有利可图的、有益的
Good looks are a more profitable commodity in Hollywood than talent and hard work.
在好莱坞，美貌是一件比资质和努力更有用的东西。