They developed an idea called " atomism" : That everything is made of lots of lots of tiny, indivisible things.

他们提出了一个叫做“原”的想法：一切都是由许多微小的、不可分割的东西组成的。

Democritus's atom theory marked the end of Greek natural philosophy for the time being.

德谟克利特的原希腊自然哲学的终结。

This billiard-ball view of matter dominated the imagination of physicists until quite modern times, until, in fact, it was replaced by the electromagnetic theory, which in its turn is developing into a new atomism.

这种对物质的台球观点一直主导物理学家的想象力，直到相当近代，直到事实上，它被电磁理所取代，而电磁理又发展成为一种新的原。