He drew an illustration for the article.

他为这篇文章画了一幅插图。

The book contains an illustration on every page.

这本书每一页都有一幅插图。

She drew an illustration to accompany the story.

她画了一幅插图来配合这个故事。

As an illustration, we may take…

例如，我们可以做……

An illustration may make the point clear.

举个例子或许能说清这一点。

Here's an illustration. It's a joke. Sorry.

这是个例子，是个玩笑，抱歉。

We may use tea as an illustration of mingling.

我们可以用茶作为调和的例证。

Being or serving as an illustration of a type.

象征的或作为一种类型的象征。

As an illustration, consider the following example.

作为说明，考虑下面的示例。

An illustration of using the direct solution is given.

给出齿形综合正解实例.