So, let's go ahead and make sure we can draw that, if we have interest either in the area of organic chemistry or biochemistry or biology here.

那么，让我们来确认一下我们已经学会怎么画了，如果我们对有机化学,生物化学或者生物学中的任何一个领域感兴趣的话。

麻省理工公开课 - 化学原理课程节选

All right. So, let's go ahead and draw our Lewis structure here with sulfur in the middle.

好，那么，让我们来把我们的,路易斯结构画在这，硫在中间。

麻省理工公开课 - 化学原理课程节选

But what really happens is as you go on in chemistry, you draw so many of these you can just draw them without following the rules.

但是随着你在化学上的深入，你会画很多路易斯结构,以至于你可以不用管这些规则就能直接画出来。

麻省理工公开课 - 化学原理课程节选