1. (大学)毕业文凭，学位证书;(美国中学的)毕业文凭
A diploma is a qualification which may be awarded to a student by a university or college, or by a high school in the United States.
diploma的解释
e.g. ...a new two-year course leading to a diploma in social work.
一门为期两年、毕业后可以获得社会福利工作方面文凭的新课程
名词文凭课程；毕业文凭动词发给执照[学位证书等]网络毕业证书；学历