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 carnallite and spinel and olivine)
例句
用作名词(n.)
Magnesium is the nutrient element in plant growth.镁是植物生长的营养要素。
Dr Green prescribed magnesium sulphate.格林医生开的药是硫酸镁。
