释义 |
metallic elements短语⁷⁹⁹⁷⁸⁺⁹ 基本英英例句 化金属元素原型metallicelement的复数 名词 metallic element: any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. As every schoolboy knows, carbon in the form of graphite is the exception to the rule that metallic elements conduct electricity and non- metallic ones do not. 如每一个学生所知,碳在以石墨的形式存在时既不像金属那样导电也不像非金属那样不导电。 ecocn |