Definition

Examples

• 这种建筑材料里含有大量氡。
  Zhè zhǒng jiànzhù cáiliào lǐ hányǒu dàliàng dōng.
  This building material contains a large amount of radon.
• 你最好请专业人员来检测家里的氡含量。
  Nǐ zuì hǎo qǐng zhuānyè rényuán lái jiǎncè jiā lǐ de dōng hánliàng.
  You'd better ask professionals to measure the radon level in your home.
• 长期暴露在高浓度的氡下会增加患癌风险。
  Chángqī bàolù zài gāo nóngdù de dōng xià huì zēngjiā huàn ái fēngxiǎn.
  Long-term exposure to high concentrations of radon increases the risk of developing cancer.