三倍的英文：
triple

参考例句：

A treble portion of ice-cream.
三倍分量的冰激凌。

His wage is treble mine.
他的工资是我的三倍。

His salary is treble mine.
他的薪水是我的三倍。

triploidy
三倍体

The quality or condition of being triple.
三倍，三重是三倍或三重的性质或状态

To make threefold;triple.
乘以三，使成三倍，使增至三倍

Travelling at triple the speed
以三倍的速度前进

He is more than three times as rich as I. (=He is three times richer than I.)
他的财富是我的三倍还不止。

The book is three-fold thick of the other.
这本书是那本的三倍厚。

The supply of fist grew fourfold there.
那里鱼的供应量增加了三倍。

triple是什么意思：
adj. 三倍的；三方的
n. 三倍数；三个一组；三垒安打
v. 增至三倍

three Base hit;triple
三垒打

What is the triple of ten?
十的三倍数是多少？

music in triple time for dancing the landler.
跳兰德勒舞用的三拍子乐曲。

In cryptanalysis, there's a triple of successive letters.
密码分析中有一组三个连续字母。

We're suffering a triple whammy at the moment.
我们目前正遭受到了接二连三的打击。