翻译这句话哇,最好懂化学的进.

问题描述:

翻译这句话哇,最好懂化学的进.
If 2 atoms with the same atomic number are attached to a given carbon atom,then the next bonded atom is taken into account.

I could translate it words to words.But it doesn't make any sence.
(如果两个原子序数相同的原子联接到一个特定的碳原子上,那么另一个键联原子要考虑在内)