primitive AVO基本视听对象primitiveadj.原始的；简陋的n.文艺复兴前的艺术家；原始人primitive environment原生环境primitive trophoblast原始滋养层primitive eye-piece一般目镜, 单透镜目镜primitive passions.天生的热情primitive land animal原始陆生动物primitive period strip原始周期带primitives recognition图元识别primitive human nature原始人性Primitive equation set原始方程组primitive societies.原始社会