grade是可数名词吗

grade表示“成绩”之意时，为可数名词，即grades 。

例如I should say something about grades.

译文关于分数我应该说明一下。

She got good grades on her exams.

她考试成绩优良。

She earned her grades through sheer hard work.

她的.学习成绩完全是靠刻苦用功得来的。

Most of our students attained five \'A\' grades in their exams.

我们多数学生的考试成绩是五个优。

There was a lot of pressure on you to obtain good grades.

你背负了拿到高分的巨大压力。

Staff turnover is particularly high among junior grades.

基层职员的流动率特别高。