ce.si.um 也作 cae.si.um
cesium的音标和读音:
DJ音标发音: [ˈsi:zi:əm]
KK音标发音: [ˈsiziəm]
cesium的词性:
n.Symbol Cs (名词)符号 Cs
1. A soft, silvery-white ductile metal, liquid at room temperature, the most electropositive and alkaline of the elements, used in photoelectric cells and to catalyze hydrogenation of some organic compounds. Atomic number 55; atomic weight 132.905; melting point 28.5=C; boiling point 690=C; specific gravity 1.87; valence 1.See table at element
铯:一种质地柔软的银白色韧性金属,室温时为液体,为最具正电性与碱性的元素,用作光电池和某些有机化合物氢化作用的催化剂。原子序数55;原子量132.905;熔点28.5=C;沸点=C;比重1.87;化合价1参见 element
cesium的词源:
2. From Latin caesius [bluish gray (from its blue spectral lines)]
源自 拉丁语 caesius [兰灰色(得名于蓝色光谱线)]