The scientist measured the levels of radon in the basement.
科学家测量了地下室中氡的水平。
High concentrations of radon can be dangerous to health.
高浓度的氡可能对健康有害。
Testing for radon is important in areas with granite.
在花岗岩地区测试氡是很重要的。
They installed a system to reduce radon levels in their home.
他们安装了一个系统来降低家中的氡水平。
The presence of radon is a concern in older buildings.
氡的存在是旧建筑中的一个问题。
The radon detector alarmed when levels were high.
当氡水平高时，探测器发出了警报。
He read an article about the dangers of radon exposure.
他读了一篇关于氡暴露危害的文章。
Homeowners were advised to check for radon regularly.
建议房主定期检查氡。
The study focused on radon levels in urban environments.
这项研究集中于城市环境中的氡水平。
They found significant amounts of radon in the water supply.
他们在供水中发现了大量的氡。
radon levels 氡气水平
radon gas 氡气体
radon exposure 氡暴露
radon testing 氡检测
radon mitigation 氡减排
radon concentration 氡浓度
radon risk 氡风险
