gradelyadj.极好的(漂亮的；恰当的；真正的)graden.等级；年级；成绩；斜坡v.分级；评分；渐次变化grade point factor analysis model学分绩因子分析模型grade-based conductive teaching分级引导graded-junction phototransistor梯度结光电晶体管,缓变结光电晶体管grade crushed stone middle course级配碎石夹层grade-one class-three hospital三级甲等医院Graded Radical of G-graded Rings分次环的分次根Graded Index Polymer Optical Fiber梯度型聚合物光纤Grade children according to age.将孩子依年令分级。graded tests for language students语言学习者的分级考试grade dust-collection efficiency分级除尘效率

1. She grade down her buying when uncertain about one's future.
   由于前途未卜她因而减少购买数量。
2. The road is no longer fit for heavy traffic, and will be finally graded down.
   这条公路不适应繁忙的交通，最终会被降低级别。