what is the illustrate

illustrate
及物动词 vt.
1.
(用图,实例等)说明,阐明[(+with)]
The teacher illustrated his lesson with pictures.
这位教师用图片来讲解课文。
He illustrated his point by relating his own experiences.
他用自己的经历说明他的观点。
2.
插图于(书籍等),图解
This English textbook is well illustrated.
这本英语教科书有精美的插图。
illustration
名词 n.
1.
说明,图解,图示[U]
Illustration is used in teaching children.
儿童教育中常使用图示法。
2.
例,实例[C]
A rock falling to the ground is an illustration of gravity.
石块落地是地球引力的一个实例。
3.
插图,图表,图案[C]
I like magazines full of illustrations.
我喜欢看插图多的杂志。

Show others some vague concepts with figures,graphs and images.