Early infantile autism is characterized by a lack of social interaction and communication skills.
早发性婴儿自闭症的特点是缺乏社交互动和沟通技能。
Children with early infantile autism often show repetitive behaviors and limited interests.
患有早发性婴儿自闭症的孩子经常表现出重复行为和有限的兴趣。