“一倍”的英语可以翻译为：one time ...

部署在欧洲水域之外的战舰数量差不多增加了一倍。The number of warships stationed outside European waters roughly doubled.一栋类似的房子位于城南部就要贵一倍的价钱。A comparable house in the south of the city would cost twice as much.出席会议的人数比预期的多一倍。Double the expected...

这座水库将比那座大十一倍.This reservoir will be twelve times as large as that reservoir....