magnesium 银行利率表 2026-06-14 n. 镁 简写符号：Mgmagnesium详解释义 magnesium n.(名词) 【化】镁金属元素元素符号Mg Noun a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and... 阅读更多