1. 说明的：illustrational 举例说明的 | illustrative 说明的 | illustrator 说明者

2. illustrative的反义词

2. 富于表达性的：idiosyncracy 有个人独特行的异质 独特性 | illustrative 富于表达性的 | sinister 黑暗的 不详的 邪恶的

3. illustrative的解释

3. 做例证的：做苦工的人drudge | 做例证的illustrative | 做零工chare

1. 起说明作用的;解说性的
    If you use something as an illustrative example, or for illustrative purposes, you use it to show that what you are saying is true or to make your meaning clearer.

    e.g. A second illustrative example was taken from The Observer newspaper...
           另一个说明性的例子摘自《观察家报》。
    e.g. The following excerpt is illustrative of her interaction with students.
           接下来的节选部分可以说明她与学生的互动情况。

1. clarifying by use of examples

    Synonym: exemplifying

2. serving to demonstrate

    Synonym: demonstrative