英式:[ˈsevn]美式:[ˈsɛvn]
num.七
用作数词 (num.)
Four multiplied by seven is twenty-eight. 7乘4等于28。
I have seven roommates in my university. 上大学时,我有七个室友。
seventeen
num.十七
seventh
num.第七;七分之一
seventy
七十
seventy-five
num.七十五
sixty-seven
num.六十七
thirty-seven
37