doctor of philosophy

基本解释

Doctor of Philosophy (Ph.D.);
哲学博士
《新英汉大辞典》
Zhu received his medical degree from Beijing Medical University in China and his doctor of philosophy in microbiology from Columbia University in New York City.
朱医生毕业于北京医科大学医学系，后赴纽约哥伦比亚大学获得微生物学博士。
He graduated from the Art Group of the Chinese Language Department of Chinese Culture University and then earned the degree as a Philosophy of doctor.
中国文化大学中文系文艺组毕业，中国文化大学哲学博士。
purepoem.com

This is work generally done by a person who recently earned a PhD, or doctor of philosophy degree.
All right, July, 1913, blow this up, so On the Constitution of Atoms and Molecules by N. Bohr, Doctor of Philosophy, Copenhagen, asterisk here, and I've blown up the bottom of the page, communicated by Professor Ernest Rutherford, F.R.S., Fellow of the Royal Society.
913年，六月，发表了，波尔博士,建立了原子分子模型，哥本哈根，星号这儿，我通过和恩内斯特卢瑟福的交流，被这页底部的所震惊了，英国皇家学会会员。
麻省理工公开课 - 固态化学导论课程节选