| 单词 | mccollum, elmer v |
| 释义 | McCollum, Elmer VMcCollum, Elmer VAn American biochemist who identified the very first vitamin, vitamin A, in 1913 at the University of Wisconsin; he later identified vitamin D in 1922 at Johns Hopkins University. |
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英语词典包含2567994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。