We can distinguish one kind of substance from another by its properties.

我们可以根据物质的特性把一种物质与另一种物质辨别开来。

In some parts of the country, one kind of activity or production or work of art is called obscene, and people can be put in prison for it.

在该国的某些地区，一种活动、生产或艺术品被称为淫秽，人们可能会因此而入狱。

Some scholars think of freedom is one kind of axiology, or ableism, or state theory.

某些学者认为自由是一种价值论、或能力论、或状态论。

OK, so that's one kind of empiricism.

好，这是一种经验主义。

True; electricity is one kind of energy.

确实，电是能量中的一种。