弘扬国学 · 传承文化

cesium

英 ['siːzɪəm] 美 ['sizɪəm]

解释

n. 铯（55号元素，符号Cs）

※ 提供单词"cesium"的中文意思、发音示范及音标对照，中英文词源、例句和用法等。

中文词源

cesium 铯

词源同cerulean, 天蓝色的。因该金属元素呈天蓝色而命名。字母r,s音变。

英文词源

cesium (n.): also caesium, rare alkaline metal, 1861, coined by Bunsen and Kirchhoff in 1860 in Modern Latin (caesium), from Latin caesius "blue-gray" (especially of eyes), in reference to the two prominent blue lines in its spectrum, by which it was first identified.

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例句和用法

1. Cesium chloride is an example of a bodycentered cubic crystal.: 氯化铯是体心立方晶体的一个例子.

2. Otherwise cesium tetrachloroiodide may be formed.: 不然可能形成四氯碘化铯.

3. This is the basis for the well - known cesium clock, presently the standard of frequency and time.: 这就是众所周知的铯原子钟的基础, 它是目前的频率和时间基准.

4. The metal sheet is coated with a certain special material, such as cesium.: 金属片上涂有象铯那样的某种特殊材料.

5. Another example of the cubic lattice system is the body - centered cubic crystal of cesium chloride.: 立方晶系的另一个例子是氯化铯的体心立方晶体.