词汇	click here to go back
释义	click here to go back 点击返回
随便看	negative density difference negative dependence negative derivation of administrative power negative derivative negative detection negative determinant negative determinative negative deterrence negative deterrent negative developer negative developing solution negative development negative deviation negative diageotropism negative diagnosis negative dialectics negative dictionary negative die negative dielectric ansotropy negative dielectric constant negative dielectric permittivity negative difference negative difference calculus method negative difference effect negative difference rate