diploma
noun [ C ] uk/dɪˈpləʊ.mə/ us/dɪˈploʊ.mə/
A2 学位证书;大学文凭
a document given by a college or university to show that you have passed a particular exam or finished your studies
a diploma in business studies 商学文凭
US a high school diploma 高中毕业证书