naturally radioactive 中文意思是什麼

naturally radioactive 解釋
自然放射性的
  • naturally : adv. 1. 自然地。2. 生來;天然地。3. 自自然然,不做作地。4. 容易地。5. 當然,不用說。
  • radioactive : adj. 【物理學】放射性(引起)的。n. -activity 放射性;放射(現象)。
  1. Radioactive matter is incorporated into plants, which are then eaten by animals with the result that most foodstuffs have a measurable amount of radioactivity. additional radioactivity in food comes from the naturally occurring isotope carbon 14. some cosmic radiation also reaches sea level

    植物亦混有輻射物質,而動物吃掉植物,以致絕大部份食物也含有一定輻射食物輻射也來自天然的同位素碳十四,此外,宇宙輻射亦可穿越大氣層照射到海面。
  2. Some of this last third are known : genetic predisposition, ultraviolet sunlight, pollutants such as pesticides, and other factors including cosmic radiation and a naturally occurring radioactive gas called radon

    已知的這些原因有:基因缺陷、日光的紫外線輻射、殺蟲劑之類的污染物,其他的原因包括宇宙射線和自然產生的放射性氣體? ?氡。
  3. A naturally occurring or artificially produced radioactive element

    放射性元素自然產生或人為製造的放射性元素
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