illustrate

动词 illustrate:

1. clarify by giving an example of
   同义词：exemplify, instance
2. depict with an illustration
3. supply with illustrations

1. He pointed at the diagram to illustrate his point.
   他指着图表来说明他的论点。
2. Our textbook is very well illustrated.
   我们的课本插图丰富。

il.lus.trate

v.（动词）
il.lus.trat.ed,il.lus.trat.ing,il.lus.trates
v.tr.（及物动词）

To clarify, as by use of examples or comparisons.
说明：通过举例子或打比喻等方法把问题讲清楚
To clarify by serving as an example or comparison.
举例说明：运用例证或比喻把问题讲清楚
To provide (a publication) with explanatory or decorative features.
图解：提供解释性图画或装饰（给出版物）
Obsolete To illuminate.
【废语】 照明
v.intr.（不及物动词）
To present a clarification, an example, or an explanation.
说清楚：提供一条说明、一个例证或一条解释

来源：
Latin illôstr3re illôstr3t-
拉丁语 illôstr3re illôstr3t-
in- [in] * see in- 2
in- [在…里面] *参见 in-2
lôstr3re [to make bright] * see leuk-
lôstr3re [使辉煌] *参见 leuk-

【引伸】
il.lustrat.able
adj.（形容词）
il.lustra.tor
n.（名词）