radioactive

英 [ˌreɪdiəʊˈæktɪv]

美 [ˌreɪdioʊˈæktɪv]

adj.  放射性的; 有辐射的

高考CET4CET6考研TEM4TEM8医学

Collins.2 / BNC.6732 / COCA.7890

牛津词典

adj.

• 放射性的；有辐射的
  sending out harmful radiation caused when the nuclei (= central parts) of atoms are broken up

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.
  1. 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。

英英释义

adj

• exhibiting or caused by radioactivity
  1. radioactive isotope
  2. radioactive decay
  3. radioactive fallout

双语例句

• Radon is produced from the natural radioactive decay of uranium, which is found in rocks and soil.
  它产生于可在岩石和土壤中找到的铀自然的放射性衰变。
• The largest amounts of radioactive waste are made up of nuclear fuel cases, reactor components and uranium.
  放射性废料中占比例最大的部分是核燃料部件、反应堆部件和铀。
• Because of this radiation they said the substance was radioactive.
  由于这种辐射性现象，他们把该种物质称为放射性物质。
• I'm a biologist. I take radioactive samples and study them.
  我是生物学家，我研究样本。
• Could you tell me the name of the scientist who discovered two new radioactive elements, radium and polonium?
  你能告诉我发现了两种新放射性元素，镭和钋的科学家名字吗？
• A radioactive, inert, gaseous isotope of radon, with a half-life of3.92 seconds.
  氡的一种放射性的，惰性的和气态的同位素，其半衰期为3。92秒。
• Radium and uranium are radioactive elements.
  镭和铀是放射性元素。
• Chemistry also uses calculus in determining reaction rates and radioactive decay.
  化学也使用演算在确定反应速率和放射性衰变。
• Radioactive water had seeped into underground reservoirs
  放射性水已经渗入地下蓄水层中。
• Other substances such as nitrosamines, arsenic, and some radioactive elements can also be carcinogenic.
  其他物质如亚硝胺、砷和一些放射性元素也有致癌作用。