例句

A micrometer is one thousandth of one millimeter.

一微米是一毫米的千分之一。

The light, about one thousandth of the amount needed to read by, is just a start.

光线,大约是阅读所需数量的千分之一,仅仅是一个开始。

Failure I may still encounter at the thousandth step.

纵使走上一千步,我依旧会遭遇失败。