一句英文语法不懂Just three years later,estimates were almost doubt that翻译_英语解答

一句英文语法不懂
Just three years later,estimates were almost doubt that翻译是：仅三年之后据估计这一比例已增加了近一倍我想问的是double这个词如果是动词的话为何没有时态变化比如我认为这应是被动的啊

人气：423 ℃　时间：2020-05-13 11:40:58

解答

double/twice/two times两倍.A is double B（A是B的两倍）double是形容词,这只是是习惯用法.因为Just three years later所指代的时间点不一定是现在,也可能是过去,所以可以用were.