refer to reference

例句：

1. 1. I referred to the book in my hand when I was explaining the concept.
   当我解释这个概念时，我提到了手中的书。
2. 2. The teacher referred to the problem as a common mistake.
   老师把这个问题称为一个常见的错误。
3. 3. He referred to his experience as an example of success.
   他将他的体验作为成功的例子。