| 例句 |
He was trespassing on school grounds.他擅自进入学校场地。Younger pupils are prohibited from leaving the school grounds during lunch hour.年幼学生在午餐时间不准离开校园。The school grounds are walled in.学校操场四周围有围墙。Children must remain within the school grounds during the lunch break.午餐时间，孩子们必须待在校内。 |