Masquerade (the dead leaf butterfly, for example) was the most effective technique, nearly quadrupling the time predators spent searching.

假扮(例如枯叶蛱蝶)是最有效的战术，能够让捕食者寻找猎物时间变为原来的四倍。

I predict that the net worth of this now dilapidated group of businesses will at least quadruple.

我预计未来净值将比现在这些破旧小店的多得多至少四倍啊。

Its dollar GDP has quadrupled, its exports almost quintupled.

中国的GDP和出口额分别增至“入市”钱的四倍和五倍。

There are triple star systems, quadruple, and more.

有三合星系统，四合星系统，还有更多。

I quadruple checked my calculations on this, okay?

我把计算数据核查了四遍？

They can sometimes quadruple the value of the raw bean.

这有时能使生豆的价值翻四倍。

Since the recovery program began in the 90s' population have quadrupled.

自从 90 年代的恢复计划开始以来，鸮鹦鹉的数量翻了两番。

It's called a quadruple jump. And it's changing the sport of figure skating.

它被称为四周跳，它正在改变花样滑冰这项运动。

So I drink an espresso. Normally it's a quadruple shot espresso.

所以我喝浓咖啡。通常是四倍浓缩咖啡。

We've quadrupled the number of operating oil rigs to a record high.

我们的石油钻井平台数量创纪录的增加了4倍。