单词	She paid off her debts
释义	She paid off her debts. 她偿清债务。
随便看	operator precedence grammer operator precedence language operator precedence matrix operator precedence method operator precedence parser operator-precedence parsing operator precedence relation operator precedence technique Operator Preparation Program operator presence control operator priority operator priority access operator priority method operator priority order grammar operator priority order language operator priority order matrix operator privilege operator privilege class operator process chart operator-process communication operator process communication system operator product expansion operator-product expansion operator profile operator prompt