There's a pattern being repeated, pairs of lines. Okay?

一对对的线有个重复的规律对吗
And then he's going to go to a whole bunch of hexagons of dots,

接着菲利普会把一些六角形放上去
which we will call benzene,

我们称之为苯
but it's not exactly like benzene would be,

但是这并不是普通型态的苯
a benzene gas,

而是苯气体
because they're all oriented exactly the same way. Right?

因为它们的方向都是一致的
So it's oriented benzene;

因此它就是指导向苯
that's the next one we're going to look at.

下面我们会讲到
And then we're going to look at this one,

接下来我们看下面这幅图
which is also oriented benzene.

同样是导向苯
Can you see the difference in the pattern

你能看出它们之间的不同处吗
between the one on the top and the one on the bottom?

上面这幅图与下面这幅图的差别