辅

辅

Assist; aid; supplement.

In this sentence, "辅" is part of the verb "辅导" (to assist or tutor), denoting guidance or help in a teaching context.

辅导学生完成作业。

Assist students to complete their homework.

Here, "辅" is used in "辅益" to mean something that aids or benefits, emphasizing additional support.

这本书对学习历史很有辅益。

This book is very beneficial for learning history.

In this sentence, "辅" is used in "辅以" to express the meaning of supplementing or complementing with something.

我们要辅以相关资料进行分析。

We should complement the analysis with relevant materials.