His income is double hers.

他的收入是她的两倍。

《牛津词典》

He earns double what she does.

他挣的钱是她的两倍。

《牛津词典》

We need double the amount we already have.

我们需要现有数量的两倍。

《牛津词典》

New irrigation methods are expected to double wheat production while using one-third of the water required for full irrigation.

VOA: special.2010.02.08

- So I'll have a decaf double espresso mocha skinny with a-- ?" What? What other dimensions are there? Right?

我要一杯双倍浓度无咖啡因的穆哈咖啡-,还有什么其他种类？

耶鲁公开课 - 心理学导论课程节选

There's one more piece that we'd like to get out of that, and that is-- you may have been wondering, what's with the funky stuttering here of three double-quotes in a row. All right? And that is a specification.

但是你没有屏蔽这个函数的使用细节,在这里我们还想再讲一讲,那就是--你可能正在想,这里连续3个奇怪双引号,是干什么用的。

麻省理工公开课 - 计算机科学及编程导论课程节选

"One checks, the other double-checks - that's clearly not happened in this case, " he said.

BBC: London

Gatland admits he has had no direct contact this year with the 28-year-old double Grand Slam-winner.

BBC: Wales' Gatland harbours Gavin Henson World Cup hope

After two-and-a-half years of flatlining and a double-dip recession the IMF is now clearly losing patience.

BBC: Olivier Blanchard