radioactivity
英 [,reɪdɪəʊæk'tɪvɪtɪ]
美 [,redɪoæk'tɪvəti]
英文詞源
- radioactivity (n.)
- 1899, from French radioactivité, coined 1898 by the Curies; see radioactive.
雙語例句
- 1. the process of decontaminating areas exposed to radioactivity
- 清除受放射汙染地區有害物質的過程
來自《權威詞典》
- 2. The soil contains 30 times the acceptable level of radioactivity.
- 這片土壤受到了高於標準30倍的輻射.
來自《簡明英漢詞典》
- 3. The site was found to be contaminated by radioactivity.
- 發現此地受放射線汙染.
來自《簡明英漢詞典》
- 4. They argued that only a negligible rise in atmosphere radioactivity resulted from the test.
- 他們辯解說,由這次試驗所造成的大氣層放射活動的增加是微不足道的.
來自《簡明英漢詞典》
- 5. The level of radioactivity in the soil was found to be above recommended limits.
- 土壤的輻射水平被發現超過規定的限度.
來自《簡明英漢詞典》