年级的英文：
grade

参考例句：

Her son skipped the second grade.
她儿子从一年级跳到三年级。

This test is to be taken by all pupils without reference to age or grade.
这次测验的对象是全体小学生,不论年龄和年级。

I the US we have free compulsory public education for all children from grade 1 to grade 12
美国对小学一年级到12年级的孩子实行强制性义务教育

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。

John and Tim have been playmates since the first grade
约翰和蒂姆从一年级起就是好朋友。

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。

A dynamic course designed to strengthen and reinforce arithmetic for seventh graders
一门动态的课程用于加强和巩固7年级学生的算术能力

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。

My degree is in journalism, and my intern work during my senior year was on the community desk at the Kansas City Star.
我读的是新闻学位,大学4年级实习时在《堪萨斯城明星》杂志的社区事务版工作。

By third grade my classmates had learned to get beyond my awkward appearance and to accept me, bandages, wires and all.
3年级时，我的同学已经习惯了我难看的面孔，接受了我，接受了绷带、金属线以及其他一切。

grade是什么意思：
n. 年级；阶段；等级
v. 将…按级别分类；给…批分数，改作业；混合

longitudinal grade
纵坡度

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

Red grades into pink.
红色逐渐变成粉红色。

The teachers are grading the papers.
老师们正在给卷子打分数。

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