quadruple
/ˈkwɔdrupl; ?@ kwɔˈdru:pl; kwɑd`rupl/ adj
consisting of four parts, individuals or groups 由四个部分、 四个个体或四个群体组成的
a tune in quadruple time 四拍的曲调
a quadruple alliance 四方联盟. quadruple
n, adv (number or amount) four timesas great as (sth) 四倍; 四倍的数或量
20 is the quadruple of 5. 20是5的四倍.
We need quadruple the number of players we've got for a full orchestra. 我们要组成完整的管弦乐队需要有四倍於现有的演奏人员.
quadruple / kwɔˈdru:pl; kwɑd`rupl/ v [I, Tn]
become multiplied or multiply (sth) by four 变成四倍; 以四乘（某数）
Their profits have quadrupled/They have quadrupled their profits in ten years. 他们的利润十年中增长至四倍[他们使利润在十年中增长至四倍].