/ˌɪləˈstreɪʃn ||; ˌɪləsˈtreʃən/noun1 [C] a drawing, diagram or picture in a book or magazine 插图: colour illustrations 彩色插图
2 [U] the activity or art of illustrating 说明;图解
3 [C] an example that makes a point or an idea clear 例证: Can you give me an illustration of what you mean? 可不可以举例说明你的意思?