英语翻译

问题描述:

英语翻译
Thermodynamics is not applicable to systems of molecular size; a system must consist of a large number of molecules for it to be treated thermodynamically.
for it是什么含义?后面句子的谓语部分该是哪个

热力学不适用于分子大小的系统,一个包含大量分子的的系统才能用热力学来对待(分子).
应该是