← 返回图库A woman with black hair in a ponytail, wearing a light blue blouse and a beige mini skirt, writes on a blackboard in a classroom.A woman with black hair in a ponytail, wearing a light blue blouse and a tight beige mini-skirt, stands in a classroom looking towards a blackboard where another person is writing.A woman in a light blue blouse and beige skirt stands in a classroom, looking at a man writing on a blackboard.