I am using the word 'education' in the narrower sense.

我说的是较狭义的“教育”。

The two climbed up now many, many steps, which got narrower all the time.

他们两个爬了很多很多台阶，台阶越来越窄。

We have very high levels of concern for this particular species because they have a narrower range.

我们对这种特殊物种的关注非常高，因为它们的种类比较少。

It has not become longer or narrower.

它没变长，也没变窄啊。

Ps ax is a narrower form.

ps ax以窄格式显示。