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
- 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。 - 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。 - We have to learn to control radioactivity.
我们必须学会控制放射能。 - Here, therefore, we have a true radioactivity which is made evident by the emission of positive electrons.
我们因此获得了一种通过排斥正电子表现出来的真正的放射现象。 - Radioactivity is a special quality of radium.
放射性是镭的一种特性。 - Potassium iodide can be used to counteract radioactivity.
碘化钾可以用于阻碍辐射损害。 - So the concentration of radioactivity in the seawater would still be quite low.
因此海水中的放射性浓度仍将相当低。 - Equipment used to treat diseases with x-rays or radioactivity.
利用x光或放射能治疗疾病的装备。 - Exhibiting or caused by radioactivity.
显示出放射能或者由放射能导致的。 - This conviction was based solely on the atomic nature of radioactivity.
我们的这种信念完全依赖于原子的放射性属性。