One person is dead, three others have been wounded in a shooting at Northern Arizona University.

北亚利桑那大学发生枪击案，并造成1死3伤。

A student killed a classmate and wounded three others at the campus of Northern Arizona University on Friday.

周五在北亚利桑那州大学，一名学生杀死同学，并致3人受伤。

She is a Northern Arizona University professor who heads the school's Child Speech and Language Lab.

她是北亚利桑那大学的教授， 领导学校的儿童言语和语言实验室。