案情回放1990年,原告吴瑞宗就读于被告龙涓中学初中二年级,时年15岁。同年10月31日,被告龙涓中学组织全校学生秋游登山。被告陈文德、陈志远(均系龙涓中学老师)携带一把钢珠枪参与活动。中午,被告李恒彬(时年15岁,与原告系同班同学)趁老师不注意,玩耍该枪,不想枪突然走火,导致 In 1990, the plaintiff Wu Ruizong attended the second year of junior high school of the accused Long Juan Middle School when he was 15 years old. On the 31st of October of the same year, the defendant, Long Juan Middle School, organized a tour of the school for the autumn tour. Defendant Chen Wende and Chen Zhiyuan (all of whom are middle school teachers of Long Juan) took a steel ball gun to participate in the activity. At noon, the defendant Li Hengbin (at the age of 15, a classmate with the plaintiff) did not pay attention to the teacher, playing the gun, do not want the gun suddenly caught fire, resulting in