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(1785–1850), English chemist and biochemist. He developed the hypothesis that hydrogen is the primary substance from which all other elements are formed, which although incorrect stimulated research in atomic theory.
英语词典包含464360条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。