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In some cases, eccentricity spilled over into mental instability: Paul Ehrenfest's desire to keep up with developments in quantum mechanics eventually drove him to suicide.
ECONOMIST: Modern scientists: Physical presence | The
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。