radioactivity

英 [,reɪdɪəʊæk'tɪvɪtɪ] 美 [,redɪoæk'tɪvəti]
  • n. 放射性；[核] 放射能力；[核] 放射现象
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星级词汇:
radioactivity
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英文词源

radioactivity (n.)
1899, from French radioactivité, coined 1898 by the Curies; see radioactive.

双语例句

1. the process of decontaminating areas exposed to radioactivity
清除受放射污染地区有害物质的过程

来自《权威词典》

2. The soil contains 30 times the acceptable level of radioactivity.
这片土壤受到了高于标准30倍的辐射.

来自《简明英汉词典》

3. The site was found to be contaminated by radioactivity.
发现此地受放射线污染.

来自《简明英汉词典》

4. They argued that only a negligible rise in atmosphere radioactivity resulted from the test.
他们辩解说,由这次试验所造成的大气层放射活动的增加是微不足道的.

来自《简明英汉词典》

5. The level of radioactivity in the soil was found to be above recommended limits.
土壤的辐射水平被发现超过规定的限度.

来自《简明英汉词典》