音标：KK[gred]   DJ[greid]

grade作可数名词时的其中一个意思是年级：n.【美】年级；同一年级学生 [C]

例句：

Pupils who pass the test will be promoted to the next higher grade.通过考试的学生将升到高一个年级去。

When you're in a higher grade, you can pay special attention to speaking and writing.在进入更高年级时，更要特别注意说和写。

What grade is Debbie in?黛比上几年级？

Welcome to Class 1, Grade 7.欢迎来到七年级一班。

I am in Class 1, Grade 6.我在六年级一班。

除此之外，grade作名词也有成绩、斜坡等其他的含义。grade还可以作动词。

n.阶段，期 [C]

例句：

But the computer didn't intimidate her, and in one semester, she'd begun to read at her proper grade level.但她对计算机毫不畏惧，仅仅一个学期，她的阅读能力就达到了她这个年级应有的水平。

There are lots of jobs in junior grades.初级阶段有很多工作要做。

n.等级，级别 [C]

例句：

A nobleman with the highest hereditary rank,especially a man of the highest grade of the peerage in Great Britain.公爵具有最高世袭身份的贵族，尤指英国具有最高等级贵族身份的人。

The grade of table eggs depends to a major degree on the firmness or gel structure of the albumen.食用蛋的等级主要决定于蛋清的硬度或凝胶结构。

n.军衔 [C]

例句：

A commissioned rank in the U.S.Navy or Coast Guard that is above lieutenant junior grade and below lieutenant commander.海军上尉美国海军或海岸警卫队的军衔，高于海军中尉，低于海军少校。

n.【美】坡度；斜坡；水平面以上高度 [C]

例句：

He slowed the truck when he approached the grade.

上坡时，他减慢了卡车的速度。

v.将…按级别分类（或安排）；将…排成系列 [T]

例句：

Pencils are graded according to softness.铅笔根据硬度分类。

They grade the lumber by its resistance to rot.他们根据抗腐性将那些木材分类。

v.改作业；将…置于特定年级 [T]

例句：

In Earth science classes, our teacher makes us grade each other's papers.上地球科学课时，老师让我们同学之间互相改卷子。

v.逐渐变化；形成系列；混合 [I]

例句：

Red and yellow grade into orange.红与黄混合成橘黄。

v.改良(up) [I]

例句：

The most important thing for us is to grade up the standard of education.对我们来说，最重要的是提高教育水平。

v.把路面筑平 [T]

v.使（颜色）显出层次 [T]

v.与纯种杂交改良(up) [T]

v.属于特定等级 [I]

v.【语】递变 [I]