noun
the quality of a particular product or material （产品、材料的）等级，级，品级 ◆ All the materials used were of the highest grade. 使用的所有材料均为优质品。
( ) a level in a system of pay or employment in an organization （机构中工资或就业的）级别；职别 ◆ salary grades (= levels of pay) 工资级别 ◆ She's still only on a secretarial grade. 她的职别仍然是秘书。
( ) a measurement of how good or safe sth such as an investment is （投资的）等级；评级 ◆ The company has been downgraded to non-investment grade. 这家公司已降为非投资级。
