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 ionn.阴离子negative ray阴射线negative arc负弧negativegroup阴根negative list不准进口商品清单negative part负部分negative slip负转差率negative hero反面人物negative feed负反馈negative lens负透镜