[] 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。●make the ˈgradeto reach the necessary standard; to succeed达到必要标准；符合要求；成功◆About 10% of trainees fail to make the grade.大约有 10% 的培训生未达标。high-grade investment grade low-grade