V2EX radioactive

Radioactive

定义 Definition

radioactive(形容词):放射性的;会自发释放电离辐射(如α、β、γ射线)。也可引申指“极具破坏性或风险的”。

发音 Pronunciation

/rediktv/

例句 Examples

The material is radioactive, so it must be stored in a shielded container.
这种材料有放射性,所以必须存放在有屏蔽的容器里。

After the accident, officials monitored radioactive fallout across the region to protect public health.
事故发生后,官员监测该地区的放射性沉降物,以保护公众健康。

词源 Etymology

来自 **radio-**(与“辐射、射线”相关)+ -active(“活跃的、起作用的”)。19世纪末至20世纪初,随着放射性现象被发现并研究(如居里夫人等人的工作),该词用于描述能发出辐射的物质。

相关词 Related Words

文学作品 Literary Works

  • H. G. Wells《The World Set Free》(1914):作品设想了原子能与放射性相关的技术与社会影响。
  • Rachel Carson《Silent Spring》(1962):讨论环境污染与公共健康风险,常与“放射性/辐射”语境并置出现。
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