seven

['sevn]

num.七

例句与用法:

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。

He was composing at the piano at the age of seven.

他7岁时就会钢琴作曲。

Some insects produce seven or eight broods a year.

有些昆虫一年产七八次卵。

There are seven continents in the world.

世界上有七大洲。

Put two noughts after a seven to make seven hundred.

在7后面加两个零成为700。

Two plus five is seven.

二加五等于七。

Everything is at sixes and sevens in the house.

家里现在乱七八糟。

详细释义:

a.

七的; 七个的

n.

七; 七个