The total output is double that of last year.

总产量是去倍。

This box is twice as large as that one.

这个盒子是那个盒子倍。

M is twice as large as N.

M 等于N倍。

They had to fight with a force twice their number.

他们不得不同倍于他们敌人作战。

Eight is the double of four. 8

是4倍。

They outnumbered us three to one.

他们以三比人数超过我们(他们人数比我们多倍)。

Ten is the double of five.

十是五倍。

I'm twice your age.

我龄是你倍。

The IEA estimates that the yearly energy consumed from IT and consumer electronics is on pace to double by 2020 and triple by 2030 to 1,700 terawatt-hours.

国际能源机构估计，每 IT 和电子产品能源耗，正在按到 2020 增加倍和到 2030 增加倍速度增长，将达到 1,700 兆兆瓦小时。