n.[C]

1. 毕业文凭，学位证书
   She gained a diploma in Business Administration.

   她取得了工商管理的学位证书。

   a college diploma

   大学文凭

2. 执照，特许状
3. 文书，公文
4. 奖状

n.

1. a certificate awarded by an educational establishment for passing an examination or completing a course of study.
2. historical an official document or charter.