one-billionth

基本解釋

By comparison, Jupiter is one-billionth the brightness of our sun.
作爲對比，木星的亮度也衹有我們的太陽的十億分之一。
A nanometer is one one-billionth of a meter or about 100, 000 times smaller than the width of a human hair.
一納米是一米的一百億分之一，或者比一根人的頭發(fā)要小十萬倍。
If you buy a share of IBM (IBM, news, msgs), for example, for your $130 or so you become the proud owner of not quite one-billionth of the company.
比如你花130美元買了一股IBM，用不著成10億地持有公司的股票，你就成了一個自豪的股東了。

Broadly speaking, nanotechnology describes work on materials whose critical dimensions are measured in nanometers, or one-billionth of a meter.
FORBES: The Titan of the Teensy
The one-billionth CER was issued on September 7th.
ECONOMIST: Carbon markets
The nebulous field of nanotechnology, freighted with as much hype as legitimate promise, boils down to the process of manipulating matter on a molecular scale (a nanometer is one-billionth of a meter, about the width of ten hydrogen atoms).
FORBES: The Science of Small