单词 | atomic number 7 |
释义 | atomic number 7 (extremely rare) n WORD FAMILY atomic number 7 n a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues Syn|Hypo|Hyper N, nitrogen azote an obsolete name for nitrogen liquid nitrogennitrogen in a liquid state chemical element, element any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter gasa fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely |
随便看 |
英语词典包含147318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。