音标：['prinsipәl]
n. 校长, 首长, 本金, 主犯, 资本, 委托人
a. 主要的, 最重要的, 首要的
【经】 主体, 主要负责人, 资本; 主要的
在线英汉词典
principal的短语、例句：
principal
adj[attrib 作定语]
first in rank or importance; chief; main 级别最高的; 最重要的; 为首的; 主要的
the principal members of the government 政府高级官员
The Danube is one of the principal rivers of Europe. 多瑙河是欧洲的主要河流之一.
The principal aim of the policy is to bring peace to the area. 该政策的主要目的是为给这一地区带来和平.
The low salary is her principal reason for leaving the job. 工资太低是她辞去那工作的最重要的原因.
the principal beneficiaries of a will 遗嘱中继承遗产的主要受益人. Cf 参看 primary2. principal, n
1 (title of the) person with the highest authority in an organization, esp in certain schools and colleges 某组织的最高领导人（之称号）; （尤指某些学校和学院的）校长, 院长
the Principal of St James´ College 圣詹姆斯学院院长.
2 person who takes a leading part in a play, an opera, etc （话剧、 歌剧等中的）主角, 主要演员.
3 (usu sing 通常作单数) (finance 财) money lent or invested on which interest is paid; capital sum 本金; 资本
repay principal and interest 付还本金和利息.
4 person for whom another acts as his agent, eg in business or law 被代理人, 委托人（如於商务或法律事务等）
I must consult my prinicipals before agreeing to your proposal. 我得同委托人商量後才能接受你的建议.
5 (law 律) person directly responsible for a crime (contrasted with an accessory or abetter) 主犯.
principal