illustrate
/ˈɪləstreɪt/verb
with obj.
1- provide (a book, newspaper, etc.) with pictures给（书、报纸等）插图：
the guide is illustrated with full-colour photographs.
指南插有全彩色照片。
1.1
- explain or make (something) clear by using examples, charts, pictures, etc.举例说明; 以图表说明：
the results are illustrated in Figure 7.
结果显示于图7.
1.2
- serve as an example of为…的例证, 证明…：
the World Cup illustrated what high standards our players must achieve.
世界杯证明了我们的队员必须达到怎样高的水平。
词源
early 16th cent. （in the sense 'illuminate, shed light on'）： from Latin illustrat- 'lit up', from the verb illustrare, from in- 'upon'+ lustrare 'illuminate'.