doubled的音标：doubled的英式发音音标为：['dʌbld]doubled的美式发音音标为：['dʌbld]...

v.把…对折，折叠( double的过去式和过去分词 )，是…的两倍，（使）加倍，兼任...

In the course of the 1930s steel production in Britain approximately doubled.在20世纪30年代，英国的钢铁产量几乎翻了一番。The number of warships stationed outside European waters roughly doubled.部署在欧洲水域之外的战舰数量差不多增加了一倍。Everyone was doubled ov...

That is, the angular velocity is more than doubled.即所得的末角速度大于原来的二倍.The house has doubled in value since I bought it.自从我买下这幢房子以来, 它的价值已增加了一倍。Security measures at Imam Khomeini international airport have been doubled.霍梅尼国际...