单词	livery of grief
释义	livery of grief 丧服
随便看	quadratic function quadratic functional quadratic functional equation quadratic function field quadratic function index quadratic function regression quadratic functions quadratic fuzzy equations Quadratic Gauss sum quadratic general rotary design quadratic general rotary unitized design quadratic general rotationaldesign quadratic generator quadratic gradient term quadratic-gradient term quadratic gravity quadratic groove angle quadratic group quadratic group delay quadratic hash quadratic hill-climbing method quadratic homogeneous polynomial quadratic horizontal derivative quadratic hypersurface quadratic imaginary fields