principal 
: 主要的 n. 资本 主角 
principal ☊ 
principal like: principal → →
main or principal column, pillar ☊ 
cột cái ☊ Further information is available on application to the principal. ☊ application ☊
his appointment as principal ☊ appointment ☊
It was done without the principal's authority. ☊ authority ☊
The principal is a very busy woman. ☊ busy ☊
the main/primary/principal objective ☊ objective ☊
The Principal has little personal contact with the students. ☊ personal ☊
promise (to do sth): The college principal promised to look into the matter. ☊ promise ☊
The map shows the principal towns and rivers. ☊ show ☊
Everyone sprang to their feet (= stood up suddenly) when the principal walked in. ☊ spring ☊
We looked around the school and talked with the principal. ☊ talk ☊
We had to go and see the principal one at a time. ☊ at a time ☊
principal ☊ trouver le rôle principal s’est révélé assez problématique ☊
capital ☊ ils ont pris une décision capitale en renonçant à leur statut ☊
principalement ☊ c’est sur les femmes principalement qu’elle a exercé une grande influence ☊