principal
英 ['prɪnsəp(ə)l]
美['prɪnsəpl]
	    - adj. 主要的;资本的
 - n. 首长;校长;资本;当事人
 
英英释意
- 1. the original amount of a debt on which interest is calculated
 
- 2. the educator who has executive authority for a school;
 - "she sent unruly pupils to see the principal"
 
- 3. an actor who plays a principal role
 
- 4. capital as contrasted with the income derived from it
 
- 5. the major party to a financial transaction at a stock exchange; buys and sells for his own account