Your homework should help you in that area, but even if you don't have homework, consider it your nightly mission to go back through what you learned in class that day.

你的家庭作业可以帮助你巩固那一部分的知识，即使你没有家庭作业，可以考虑将你的每晚任务作为复习当天课堂任务的对象。

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Our homework is figuring out the area of the cross section of a solid.

我们留的作业是求几何体横截面的面积。

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