principal

英 [ˈprɪnsəpl]

美 [ˈprɪnsəpl]

adj. 最重要的; 主要的
n. 大学校长; 学院院长; 本金; 资本; 主要演员; 主角

复数：principals　

Collins.3 / BNC.2225 / COCA.3124

牛津词典

adj.

noun

大学校长；学院院长
the person who is in charge of a college or a university
1. Principal Ray Smith
  雷∙史密斯校长
大学校长；学院院长
the person who is in charge of a college or a university
1. Principal Ray Smith
  雷∙史密斯校长
本金；资本
an amount of money that you lend to sb or invest to earn interest
主要演员；主角
the person who has the most important part in a play, an opera , etc.
（尤指商务或法律事务的）当事人，委托人
a person that you are representing, especially in business or law

ADJ 首要的；最主要的；最重要的
Principalmeans first in order of importance.
1. The principal reason for my change of mind is this.
  这是我改变主意的最主要原因。
2. ...the country's principal source of foreign exchange earnings...
  这个国家最主要的外汇收入来源
3. Their principal concern is bound to be that of winning the next general election.
  他们最关心的问题肯定是赢得下一次大选。
N-COUNT （中小学）校长；（英国）大学校长，学院院长
Theprincipalof a school, or in Britain theprincipalof a college, is the person in charge of the school or college.
1. Donald King is the principal of Dartmouth High School.
  唐纳德·金是达特茅斯中学的校长。

noun

the major party to a financial transaction at a stock exchange
Synonym:dealer
the educator who has executive authority for a school
1. she sent unruly pupils to see the principal
Synonym:school principalhead teacherhead
(criminal law) any person involved in a criminal offense, regardless of whether the person profits from such involvement
an actor who plays a principal role
Synonym:starlead
capital as contrasted with the income derived from it
Synonym:corpusprincipal sum
the original amount of a debt on which interest is calculated

Stoppard had to recast four of the principal roles.
斯托帕德只好更换4个主要角色的人选。
The principal criminal was sentenced to life imprisonment.
这个主犯被判无期徒刑。
The principal range runs east to west.
主体山脉呈东西走向。
Once this principal contradiction is grasped, all problems can be readily solved.
抓住了这个主要矛盾，一切问题就迎刃而解了。
The principal himself drafted this set of rules.
这套规章是校长亲自拟稿的。
I met the principal and all.
我见到了校长和所有的人。
When he saw the principal, he raised his hand in salute.
他看到校长时举手敬礼。
The book was kindly and favourably reviewed in the principal papers.
这本书得到几家主要报纸的赞许和好评。
Ever since World War the United States has been Japan's principal trade partner.
二次世界大战以来，美国一直是日本的主要贸易伙伴。
Their principal concern is bound to be that of winning the next general election.
他们最关心的问题肯定是赢得下一次大选。