The total number of these resourceful insects was estimated to be 20 quadrillion.

据估计，这种机敏的昆虫的总数为20千万亿（2万万亿）。

My house will be a quadrillion times better.

我的房子会比你强一亿倍。

Part per quadrillion is one thousandth of that.

千万亿分之一是这个数字的千分之一。

A single proton at the heart of the hydrogen atom is almost exactly 1 quadrillion times smaller than you.

氢原子核心的一个质子几乎比你小1夸万亿倍。

The health advisory limits are in the part per quadrillion.

健康咨询限度是以千万亿分之一为单位。

After a quadrillion years, this too shall pass.

过了一千万亿年后，这一切也会消逝。

The study published in a scientific journal Monday says there are about 20 quadrillion ants at any given time.

周一发表在一份科学杂志上的研究称，任何时候都有大约2万亿只蚂蚁。

Well, fluoroantimonic acid is ten quadrillion times stronger than sulfuric acid.

这么说吧，氟锑酸的强度是硫酸的万万亿倍。

It may have as many as a quadrillion stars in it!

它可能有多达一千万亿颗恒星！

A quadrillion is expressed with a one, followed by 15 zeros.

一千万亿写成数字是1后面加15个零。