graden.等级;年级;成绩;斜坡v.分级;评分;渐次变化
grade milk标准乳, 合格乳
grade line纵坡线,坡度线
grade norm年级常模
graded sand级配砂
graded nets等级网格
Gradenoside栀子苷
grade grind书呆子
grade group教研组
graded coal筛过煤
graded test分级测验