及物动词
1. 表明;说明;证明
If you say that something illustrates a situation that you are drawing attention to, you mean that it shows that the situation exists.
2. (用例子、故事或图表)说明,阐明
If you use an example, story, or diagram to illustrate a point, you use it show that what you are saying is true or to make your meaning clearer.