1、RESEARCH AND USE OF NANOMETRE CORPUSCLE
納米微粒的研究與應用

2、The water droplets themselves can be as small as a nanometre across.
水滴的直徑可微小至一納米（一米的十億分之一）。

3、A nanometre is a billionth of a metre.
十億分之一米是一納米。

4、The nanometre corpuscle or nanometre material has its own special properties and new rules.
納米微粒及納米材料具有獨特的性質(zhì)和新的規(guī)律。