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radium是什么意思

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radium 是什么意思

音标:[ 'reidjəm ]  

中文翻译与英英解释

n.
【化学】镭。 radium emanation 镭(放)射气,氡(=radon)。
an intensely radioactive metallic element that occurs in minute amounts in uranium ores
同义词:Ra, atomic number 88,

Radium is a chemical element with symbol?Ra and atomic number?88. Radium is an almost pure-white alkaline earth metal, but it readily oxidizes on exposure to air, becoming black in color.

例句与用法

1.At one end of the barrel there was some radium .
枪管的一端装有镭。

2.All london was agog to see the two "parents" of radium .
伦敦全城都渴望见到这两位镭的“父母”。

3.Radium can be fixed some distance from its original source .
镭在离它的原始母体一定距离上固定下来。

4.The other element, which caused the stronger radiation, was given the name radium .
另一种发射更强射线的元素定名为镭。

5.The radium isotopes are absorbed to an appreciable extent through the human and animal gut .
镭的同位素通过人和动物的肠子时有很大部分被吸收。

6.In its little receptacles there was radium visible at last, visible by its own light in the dark .
终于见到了装在小小容器里的镭,它自身的亮光使人们在黑暗中为见到了它。

7.Thanks to her inexhaustible patience and iron will, she had obtained stronger concentrations of the radium .
幸亏她有无穷无尽的耐心和铁一般的意志,她才得到了浓缩度较大的镭。

8.It was madame curie who discovered the element radium
是居里夫人发现了镭元素。

9.Madame curie discovered the element radium
居里夫人发现镭这个事情怎么用英文阐述?

10.Show us some radium , and we will believe you
拿点镭给我们看看,我们就会相信你们。

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