submicroscopic particle造句

例句与造句

1. The "'kinetic theory "'describes a gas as a large number of submicroscopic particles ( atoms or molecules ), all of which are in constant rapid motion that has randomness arising from their many collisions with each other and with the walls of the container.
2. It's difficult to find submicroscopic particle in a sentence. 用submicroscopic particle造句挺难的