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。

n.

1. a picture illustrating a book or periodical.
2. the action or fact of illustrating.
   ▸an illustrative example.