PhD
noun [ C ] uk/ˌpiː.eɪtʃˈdiː/ us/ˌpiː.eɪtʃˈdiː/ (UK also DPhil)
（哲学）博士;（哲学）博士学位（doctor of philosophy 的缩写）
abbreviation for doctor of philosophy: the highest college or university degree, or someone who has this
a PhD student/thesis 博士生／论文
Susannah has a PhD in Italian literature. 苏珊娜拥有意大利文学博士学位。
She's a PhD. 她是一位博士。