单词音标
英语音标：[ɡreɪd]
美语音标：[ɡreɪd]

中文翻译
n.等级；年级；成绩；斜坡

v.分级；评分；渐次变化

例句

This grade of wool can be sold at a fairly low price.

这种等级的羊毛只能以相当低的价格卖出。

How does a professor grade a student's work?
一个教授是怎样给学生打分的?

All the materials used were of the highest grade.

使用的材料全是优质品。

Dust masks are graded according to the protection they offer 

防尘口罩根据它们的防护效果分等级。