字词 | 镁 |
释义 | ㄇㄟˇ一种金属元素,符号 Mg,银白色,略有延展性,在湿空气中表面易生碱式碳酸镁薄膜而渐失金属光泽,燃烧时能发强光。镁与铝的合金可制飞机、飞船。硫酸镁可做泻药,俗称泻盐 magnesium (symbol: Mg), a slightly flexible silver-white metallic element that has on its surface a thin layer of basic magnesium carbonate when exposed to the air and thus loses its metallic lustre, and can produce a strong light when burning. The alloy of aluminium and magnesium can make plane and spacecraft. Magnesium sulphate can be used as laxative, popularly called Epsom salts. |
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