radioactive fallout

简明释义

放射性沉降

英英释义

例句

1.Children were advised to stay indoors to avoid exposure to radioactive fallout 放射性沉降物 during the emergency.

在紧急情况下，建议儿童待在室内，以避免接触放射性沉降物 radioactive fallout。

2.Emergency services provided masks to protect residents from radioactive fallout 放射性沉降物 after the accident.

事故发生后，紧急服务部门向居民提供了口罩，以保护他们免受放射性沉降物 radioactive fallout的影响。

3.The government issued warnings about the potential health risks associated with radioactive fallout 放射性沉降物 from the nearby reactor.

政府发布了关于附近反应堆可能引起的健康风险的警告，涉及到放射性沉降物 radioactive fallout。

4.After the nuclear test, scientists measured the levels of radioactive fallout 放射性沉降物 in the surrounding areas.

在核试验后，科学家测量了周围地区的放射性沉降物 radioactive fallout水平。

5.In the event of a nuclear explosion, radioactive fallout 放射性沉降物 can contaminate food and water supplies.

在核爆炸事件中，放射性沉降物 radioactive fallout可能会污染食品和水源。

作文

Radioactive materials are substances that emit radiation, and their presence in the environment can have significant health and ecological consequences. One of the most concerning aspects of radioactive materials is the phenomenon known as radioactive fallout, which refers to the residual radioactive material that settles on the ground after a nuclear explosion or accident. This fallout can contaminate air, water, and soil, posing serious risks to human health and the environment. Understanding radioactive fallout is crucial for both public safety and environmental protection.The origins of radioactive fallout can be traced back to nuclear weapons testing and accidents at nuclear power plants. When a nuclear bomb detonates, it releases a vast amount of energy, along with various radioactive isotopes into the atmosphere. These isotopes can remain in the air for extended periods before eventually falling to the ground due to gravity. Similarly, in the event of a nuclear reactor meltdown, such as the infamous Chernobyl disaster in 1986, large quantities of radioactive materials were released into the atmosphere, leading to widespread contamination.The health effects of radioactive fallout can be devastating. Exposure to radiation can increase the risk of developing cancer, particularly thyroid cancer, due to the accumulation of radioactive iodine in the body. Furthermore, individuals who inhale or ingest contaminated particles may suffer from acute radiation sickness, which can lead to severe health complications or even death. The long-term effects of exposure to radioactive fallout can persist for decades, affecting not only those directly exposed but also future generations.In addition to health risks, radioactive fallout poses significant challenges for environmental conservation. Contaminated areas may become uninhabitable, leading to the displacement of communities and loss of biodiversity. Ecosystems can be disrupted as plants and animals are affected by the radiation, resulting in long-lasting impacts on food chains and habitats. For instance, in the aftermath of the Chernobyl disaster, large swaths of land remain restricted due to high levels of radiation, showcasing the lasting implications of radioactive fallout on the environment.To mitigate the dangers associated with radioactive fallout, it is essential to implement strict safety protocols in nuclear facilities and conduct regular monitoring of radioactive materials. In the event of a nuclear incident, timely evacuation and decontamination measures can help protect the health of affected populations. Furthermore, educating the public about the risks of radioactive fallout and how to respond in emergencies can empower communities to take action and safeguard their well-being.In conclusion, radioactive fallout is a critical issue that encompasses both health and environmental concerns. As we continue to navigate the complexities of nuclear energy and weaponry, understanding the implications of radioactive fallout becomes increasingly vital. By prioritizing safety, preparedness, and education, we can work towards minimizing the risks associated with this hazardous phenomenon and ensuring a safer future for all.

放射性物质是指会释放辐射的物质，它们在环境中的存在可能对健康和生态产生重大影响。其中最令人担忧的方面之一是被称为放射性沉降的现象，指的是核爆炸或事故后沉降到地面的残留放射性物质。这种沉降可以污染空气、水和土壤，给人类健康和环境带来严重风险。理解放射性沉降对于公共安全和环境保护至关重要。放射性沉降的来源可以追溯到核武器试验和核电站事故。当核弹爆炸时，它会释放出大量能量以及各种放射性同位素进入大气。这些同位素可以在空气中停留很长时间，然后由于重力最终落到地面。类似地，在核反应堆熔毁事件中，比如1986年的切尔诺贝利灾难，大量放射性物质被释放到大气中，导致广泛污染。放射性沉降对健康的影响可能是毁灭性的。暴露于辐射下可能增加罹患癌症的风险，特别是甲状腺癌，因为体内累积了放射性碘。此外，吸入或摄入受污染颗粒的个体可能会遭受急性辐射病，导致严重健康并发症甚至死亡。暴露于放射性沉降的长期影响可能持续数十年，影响不仅是直接接触者，还有未来几代人。除了健康风险，放射性沉降还对环境保护构成重大挑战。受污染地区可能变得不可居住，导致社区迁移和生物多样性的丧失。生态系统可能受到干扰，因为植物和动物受到辐射的影响，导致食物链和栖息地的长期影响。例如，在切尔诺贝利灾难之后，大面积土地因辐射水平过高而仍然限制进入，展示了放射性沉降对环境的持久影响。为了减轻与放射性沉降相关的危险，必须在核设施中实施严格的安全协议，并定期监测放射性物质。在核事件发生时，及时的撤离和去污措施可以帮助保护受影响人群的健康。此外，教育公众关于放射性沉降的风险以及在紧急情况下如何应对，可以使社区能够采取行动，保障自身安全。总之，放射性沉降是一个涵盖健康和环境问题的重要议题。随着我们继续应对核能和武器的复杂性，理解放射性沉降的影响变得越来越重要。通过优先考虑安全、准备和教育，我们可以努力减少与这一危险现象相关的风险，并确保所有人的安全未来。