Actually, let me start by saying I'm going to distinguish two broad families of characteristics we might appeal to.

我首先来,区分一下两个不同种类的特征,我们也许会用到它们

耶鲁公开课 - 死亡课程节选

So, let's think about kind of differentiating, however, between first ionization energy or just ionization energy, and other types such as second or third ionization energy, and let's take boron as an example here.

那么，让我们来区分一下第一电离能，也就是电离能与其他类型的电离能，比如第二，第三电离能，我们以硼为例。

麻省理工公开课 - 化学原理课程节选

often a biologist can discriminate between different kinds of cells that they see in section of a tissue for example, merely by its shape and the characteristics that it has.

生物学家经常可以在组织切片上,仅凭所看见的细胞形状来区分不同细胞,如果举例来说的话,仅通过细胞的形状和特性就足够

耶鲁公开课 - 生物医学工程探索课程节选

Let's pause it there, and as we said last time, it operates in that fashion, and that beginning gives us a good opportunity to make a distinction between two types of melody, between this idea of a motive and a theme.

稍微停一下,就像我们上次所说的那样,它是这样,编排的,乐曲的开始乐段给了我们很好的范例,来区分两种旋律类型,区分动机和主题

耶鲁公开课 - 聆听音乐课程节选

So let's distinguish.

我们来区分一下

耶鲁公开课 - 死亡课程节选

The problem it solves for the cell is how to do I make a barrier around myself to define what's in me and what's outside of me when most of what's around me and what's in me is water.

它为细胞解决的问题是,当我体外和体内大部分都是水情况下,我怎样在自己周围设置一个界线,来区分什么是体内的,什么是体外的

耶鲁公开课 - 生物医学工程探索课程节选