n. the original amount of a debt on which interest is calculated
n. the educator who has executive authority for a school
n. capital as contrasted with the income derived from it
n. (criminal law) any person involved in a criminal offense, regardless of whether the person profits from such involvement
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
1. The principal of the school held a meeting with the teachers.
学校的校长与老师们召开了会议。
2. She is the principal dancer in the ballet performance.
她是芭蕾表演中的主舞者。
3. The principal reason for his success is hard work.
他成功的主要原因是努力工作。