| 词汇 | valency |
| 释义 | valency noun [ C ] uk/ˈveɪ.lən.si/ us/ˈveɪ.lən.si/ (also valence, /ˈveɪ.ləns/ /ˈveɪ.ləns/) chemistry specialized价，原子价，化合价 a measurement that shows the number of hydrogen atoms that can combine with one atom of a particular chemical element to make a compound, used to describe how easily an element can connect in a chemical way with others Zinc has a valency of 2. 锌是二价元素。 His theory was that carbon had a combining power (valency) of four or two and a unique capacity for joining itself to other atoms of its own kind. Sodium is useful in a great many compounds as a substitute for one of the two atoms of hydrogen (also valence 1) in a variety of acids. |
| 随便看 |
MX2U.com英汉词典共收录126179条英汉翻译词条，基本涵盖了全部常用英语词汇的翻译、用法及例句，是英语学习的有利工具。