gradation

词根词缀:

词根
grad(i)= step, degree, to walk 步;度, 级;走

centigrade adj. 百分度的

centi 百 + grad 步;度,级;走 + e → 百分度的

degrade v. 降级;退化

de 向下 + grad 步;度,级;走 + e → 向下走 → 降级

downgrade v. 贬低,降低

down 向下 + grad 步;度,级;走 + e → 向下走 → 降低

gradation n. 等级;层次

grad 步;度,级;走 + ation 行为,过程,状态,结果 → 等级;层次

grade n. 等级;阶级

gradient adj. 步行的

gradi 步;度,级;走 + ent 具有…性质的,关于…的 → 步行的

gradient n. 坡度

gradual adj. 逐步的

grad 步;度,级;走 + ual 有…性质的 → 逐步的

graduate v./n. 毕业;分级

gradu〔= grad〕步;度,级;走 + ate 使… → 完成所有步骤 → 毕业

retrograde v. 退步;堕落

retro 向后 + grad 步;度,级;走 + e → 向后走 → 退步

数据来源:新东方英语词汇速记大全

相关例句:

Based on the lab and construction site data, finally indicates the gradation design principles for foamed asphalt reclaimed technics.

并在室内试验和工程现场数据的基础上初步提出泡沫沥青再生工艺的级配设计原则。

This article puts forward the concepts of the gradation and the family network of senior-citizen support.

本文提出养老的层次性和养老家庭网概念。

Research on the influence of aggregate gradation in strength of cement stabilized crushed stone

集料级配对水泥稳定碎石的强度影响作用研究

Relationship between gradation type and segregation degree for asphalt mixture

沥青混合料级配类型与离析程度关系沥青路面离析的材料和设备机理研究

Gradation Composition of the AC-10 Asphalt Concrete of the Thin Overlay and Research of Pavement Performance

用于薄层罩面的AC-10沥青混凝土级配组成及路用性能的研究

Influence of gradation on anti-skidding performance of asphalt pavement;

针对露石水泥砼路面的抗滑性能进行研究。