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

• But they ran into another problem when radioactive water started leaking out into the ocean.
  但是，他们遇到的另一个问题时，放射性水开始泄漏到海洋中了。
• The government declared that it did not dump radioactive waste at sea.
  政府宣称并未将放射性废料倾倒在海里。
• 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。
• The original plan was to encase a small amount of a radioactive substance in a protective steel container.
  原先计划是要将少量的放射性物质封存在一个钢质防护罩中。
• 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。
• The decomposition of a radioactive element is the simplest example of a true first order reaction.
  放射性元素的衰变是真正一级反应最简单的实例。
• Radioactive water had seeped into underground reservoirs
  放射性水已经渗入地下蓄水层中。
• 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。
• But irradiated food can not be certified organic and certain groups are concerned about radioactive wastes from the treatment.
  但是经辐射处理的食物就不可能是有机物了，此外，一些机构对辐射处理过程中会产生放射性废物这一情况表示十分担忧。
• 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。