negativesn.负数；否定名词negative的复数形式.negativeadj.否定的；消极的；负面的；负的n.否定；反面意见；底片；[数]负数vt.否定negative clock负时钟信号negative album底片薄Negative stone胆囊阴性结石negative focus假焦点, 阴性焦点, 虚焦点negative crime不作为犯罪negative field负域negative cycle负循环negative level负电平negative paper底片纸negative index负指数