Her work was well below average for the class.
她的`功课远在班上的中等水平以下。
Does the quality of teaching depend on class size?
教学质量取决于每个班的人数吗？
She has class all right ─ she looks like a model.
她的确丰姿娴雅，看上去像模特儿一样。
In this class, students will learn how to program.
这节课学生将学习编程。
Many children can't function effectively in large classes.
许多孩子在大班上课时学习效果不好。