n.氡(放射性化学元素)

Radon is a naturally occurring radioactive gas.
砹是一种自然存在的放射性气体。
High levels of radon can be harmful to human health, especially when inhaled.
高浓度的氡对人类健康有害，特别是吸入时。
The EPA recommends testing homes for radon to minimize the risk.
环保署建议对住宅进行氡气检测以降低风险。
Long-term exposure to radon increases the likelihood of lung cancer.
长期接触氡会增加患肺癌的风险。
Radon mitigation systems are installed in basements to reduce its presence.
在地下室安装了氡气减少系统来减少其存在。
Many states have laws requiring radon testing in new home construction.
许多州有法律要求新房建设中进行氡气测试。
The geological composition of an area can affect radon levels.
地质构造可能影响地区的氡含量。
A radon test kit can be purchased at hardware stores or online.
可在五金店或网上购买氡气测试套件。
People living in certain regions need to be more vigilant about radon prevention.
某些地区的人们需要更加注意防止氡的危害。
Regular inspections and maintenance can help control radon emissions.
定期检查和维护有助于控制氡的排放。