单词 | Aston, Francis William |
释义 | Francis William Aston/ˈastən / (1877–1945), English physicist. He invented the mass spectrograph (with J. J. Thomson) and eventually discovered many of the 287 naturally occurring isotopes of non-radioactive elements. Nobel Prize for Chemistry (1922). |
随便看 |
英语词典包含243303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。