这份说明书通过简单的步骤清晰地阐明了设备的使用方法。

The manual ___clarifies how to use the device in simple steps.

老师澄清了作业要求，这样学生们就不会感到困惑。

The teacher ___clarifies the homework requirements so students won't feel confused.

这台机器通过过滤来净化果汁，去除所有杂质。

This machine ___clarifies the juice by removing all impurities through filtration.