← 返回图库A woman in a white blouse and black skirt bends down to pick up chalk in a classroom.A young woman in a white blouse and black mini skirt stands in front of a blackboard with mathematical equations, holding a piece of chalk.A young woman in a white blouse and short black skirt sits on a desk in a classroom, holding a book.A woman with long brown hair, wearing a white blouse and a black mini skirt, writes on a blackboard in a classroom.