One must see the molecular doctrine at work in physical theory to get a proper notion of molecules, and this is not a matter of analogy, nor of description at all.

要想获得分子的恰当概念，人们必须去学习物理学理论中的分子理论。

youdao

One must see the molecular doctrine at work in physical theory to get a proper notion of molecules, and this is not a matter of analogy, nor of description at all.

要想获得分子的恰当概念，人们必须去学习物理学理论中的分子理论。

youdao