| 单词 | potassium |
| 释义 | potassiumn. 钾【化】 钾K【医】 钾(19号元素) potassium po.tas.si.um AHD: [p…-t²s“¶-…m] D.J. [p*6t#si8*m]K.K. [p*6t#si*m]n.Symbol K （名词）符号 K A soft, silver-white, highly or explosively reactive metallic element that occurs in nature only in compounds. It is obtained by electrolysis of its common hydroxide and found in, or converted to, a wide variety of salts used especially in fertilizers and soaps. Atomic number 19; atomic weight 39.102; melting point 63.65&9{=}C; boiling point 774&9{=}C; specific gravity 0.862; valence 1.See table at element 钾：只以化合物形式存在的柔软的，银白色的，极为活泼的金属元素。这种元素通过将其常见的氢氧化物进行电解而得到，存在于或转化成各种各样的盐，这些盐尤用于制造化肥及肥皂。原子序数为19；原子量39.102；熔点63.65&9{=}C；沸点774&9{=}C；比重为0.862；原子价为1参见 element语源:From potash [from which it was first obtained] 源自 potash [钾最初得于（钾盐）] 继承用法:potas“sic adj.（形容词） |
| 随便看 |
|
英汉双解词典收录913115条英汉汉英双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。