enlightening

The documentary about ocean pollution was very enlightening.

用法提示：这里 enlightening 作为形容词，表示纪录片给人启发，让人领悟到新知识。

I had an enlightening conversation with my professor about career choices.

用法提示：enlightening 修饰 conversation，说明谈话让人有所领悟。

Reading that book was an enlightening experience that changed my perspective.

用法提示：enlightening 作为形容词修饰 experience，表示这次经历具有启发作用。