名词

Before class-(上课前)

After Getting Home-(回家后)

1. （学生的）家庭作业
Homework is school work that teachers give to pupils to do at home in the evening or at the weekend.

2. 必要的准备工作
If you do your homework, you find out what you need to know in preparation for something.

1. preparatory school work done outside school (especially at home)

Synonym: preppreparation