Grade作为名词时，是指等级、品级、级别、职别、成绩等级、评分等级。grade作为动词时，是指分级、分等、评分。grade的第三人称单数是grades，grade的复数是grades，grade的现在分词是grading，grade的过去式是graded，grade的过去分词是graded。
Grade的例句：All the materials used were of the highest grade.使用的材料全是优质品。She's still only on a secretarial grade.她的职别仍然是秘书。
She got good grades in her exams.她考试成绩优良。Sam is in(the)second grade.萨姆读二年级。Eggs are graded from small to extra large.鸡蛋从小号到特大号分成不同等级。
I spent all weekend grading papers.我整个周末都在评阅试卷。The best students are graded A.最优秀的学生评为甲等。