quadruple

1.[i][t]~ (sth)（使）变为四倍to become four times bigger; to make sth four times bigger

1.由四部分（或人、群体）构成的；四方面的consisting of four parts, people or groups

2.四倍的being four times as much or as many

1.四倍的

2.四重的;由四部份组成的

3.【乐】四节拍的

1.四倍,四倍量

1.(使)成四倍;以四乘

1.a number or amount that is four times bigger than another

1.if a number or an amount quadruples, or if you quadruple it, it becomes four times bigger than it was

1.four times as much or as many