单词	doctor of philosophy
释义	doctor of philosophy noun plural doctors of philosophy : the highest degree awarded in many academic disciplines She graduated with a doctor of philosophy in education/mathematics/history. Most have advanced degrees, including a few doctors of philosophy … Dave Hurst also : a person who has earned the academic degree of doctor of philosophy Baranowski is director of the Homestead Agricultural and Research Education Center, a 160-acre farming laboratory of scientists in blue jeans, doctors of philosophy with dusty boots. Ena Naunton —abbreviation PhD, Ph.D. Word History First Known Use 1651, in the meaning defined above
随便看	shade shade into shade pine shade plant shade roller pin shade tree shade-grown shade-ripened shade-tolerant shaded shaded into shaded-pole motor shadeless shader shaders shades shades into shades of shadetail shadflies shadflower shadfloweres shadflowers shadier shadiest

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