explanatory
adj. 解释的，说明的
例句
These statements are accompanied by a series of explanatory notes.
这些声明附有一系列的解释性注释。
《柯林斯英汉双解大词典》
There are explanatory notes at the back of the book.
书后有注解。
《牛津词典》
I hope the graphs on the following pages are self-explanatory.
我希望以下几页图表能一目了然。
