radioactivity
英 [ˌreɪdiəʊæk'tɪvəti]
美 [ˌreɪdioʊæk'tɪvəti]
n. 放射性; 放射(现象)
BNC.16448 / COCA.20084
柯林斯词典
- ADJ-GRADED 放射性的;有辐射的
Something that isradioactivecontains a substance that produces energy in the form of powerful and harmful rays.- The government has been storing radioactive waste at Fernald for 50 years.
政府在弗纳德存放放射性废料已达50年之久。
- The government has been storing radioactive waste at Fernald for 50 years.
英英释义
noun
- the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
双语例句
- Cancer is no longer an incurable disease nowadays, it can be remedied by using radioactivity.
如今癌症不再是不治之症了，它可以通过放射治疗。 - Radioactivity is the ejection of particles or radiation from the nucleus.
放射性是原子从核中射出粒子或辐射的现象。 - Potassium iodide can be used to counteract radioactivity.
碘化钾可以用于阻碍辐射损害。 - People had no idea of radioactivity before Curie discovered redium.
直到居里夫人发现镭后，人们才了解放射性。 - Conclusion It was succeed keys to treat and nurse of esophagitis of radioactivity.
结论放射性食管炎的治疗和护理，是放疗成败的关键。 - This example illustrates the great sensitivity of the radioactivity method.
这个例子说明了放射性方法很灵敏。 - Radioactivity provides an extremely sensitive method of analysis since disintegration of individual nuclei are monitored.
因此放射现象可以监视每一个核的裂变，因此放射现象提供了一个极灵敏的分析方法。 - We have to learn to control radioactivity.
我们必须学会控制放射能。 - This paper presents basic situation and survey methods of environmental radioactivity in Mongolia and Romania.
本文介绍了蒙古和罗马尼亚两国环境放射性的基本态势，以及环境放射性调查方法等。 - With radioactivity, if you give me a single atom of uranium, I can tell you it will eventually decay.
就放射性现象来说，你如果给我一个铀原子，我可以告诉你它最终会衰变。