助教帮助教授批改作业。

The assistant helps the professor grade assignments.

老师用红色标记批改作业。

The teacher used a red marker to correct the homework.

老师的助手帮助批改作业。

The teacher's aide helps with grading papers.

她自愿帮助老师批改作业。

She volunteer to help the teacher grade the assignments.

这位教授以批改作业的严格著称。

The professor is known for his rigour in grading assignments.

老师在按时批改作业方面很疏忽。

The teacher was remiss in grading the assignments on time.

老师分批批改作业以管理她的时间。

The teacher graded the assignments in batches to manage her time.

她在大学里担任研究生助教，帮助教授批改作业。

She works as a postgraduate teaching assistant at the university, helping professors grade assignments.

他安下心来，批改作业。

He settled down to correcting the exercises.

我每周至少要花六个小时批改作业。

I spend at least six hours a week marking.