illustrate /ˈiləstreit/ vt. (用实物、图片等)解释，说明；给…画插图，配上插图： illustrate by charts and diagrams 用图表说明The book is well illustrated. 这本书有很好的插图。［考句］During the lecture, the speaker occasionally illustrated his point by relating his own experiences.在讲座中，讲解人偶尔用他自己的经历说明自己的观点。
illustration /ˌiləˈstreiʃən/ n. ［c］ 1.(用实物等作的)解释，说明：The teacher cut an apple into pieces as an illustration of what 1/4 and 1/2 mean. 老师把苹果切开来解释1/4和1/2的含义。 Illustration by example is better than explanations in words. 用例子说明比用词语解释更好。 2.插图：abundant illustrations 丰富的插图；a full-page illustration 全页插图；as shown in illustration 如图所示
