doctor共4篇 博士是phd还是doctor博士是doctor,phd是Doctor of Philosophy,意为哲学博士。博士是... daughter和doctor的发音区别daughter的发音是:|ˈdɔ:tə(r)|;doctor的发音是:|ˈdɒktə... im a doctor改为一般疑问句一般疑问句:Are you a doctor?句子中有be动词,变一般疑问句时... i am a doctor改为一般疑问句一般疑问句:Are you a doctor?句子中有be动词,变一般疑问句时...