| 例句 |
He can't keep control of the class.他无法维持课堂纪律。The teacher has a hard time maintaining discipline in the classroom.教师很难维持课堂纪律。The teacher spent ten minutes explaining all the dos and don'ts in the classroom..老师花了十分钟解释课堂纪律。The teacher can't keep discipline in her classroom.那个女教师无法维持课堂纪律。 |