字词 | 磷 |
释义 | ㄌㄧㄣ一种非金属元素,符号 P,常见的有两种:黄磷(也叫“白磷”)和红磷。黄磷有毒,燃烧时生浓烟,可做军事上用的烟幕弹和燃烧弹。红磷无毒,可制安全火柴。磷是植物营养的重要成分之一 phosphorus, a nonmetallic element (symbol: P) that usu. takes two forms: yellow phosphorus also "white phosphorus" and red phosphorus. Yellow phosphorus is poisonous, produces heavy smoke when burning, and is used in smoke bomb and incendiary bomb in military, while red phosphorus is nonpoisonous and can be made into safety matches. Phosphorus is one of the important nutrients in plants. [磷火 -huǒ]夜间在野地里常见的青色火光,是磷化氢遇到空气燃烧而发的光,俗叫“鬼火” phosphorescent light, a bluish light that can often be seen in the fields at night, produced by the burning of phosphine in the air; popularly called "guǐhuǒ" |
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