selenium

简明释义

英[səˈliːniəm]美[səˈliːniəm]

n. [化学] 硒

英英释义

单词用法

同义词

反义词

例句

1.And taking selenium over a long period of time could have toxic effects, they found.

他们还发现，长期食用硒可能会产生毒性效应。

2.Experts say selenium plays a key role in the health of skin cells.

专家说，硒元素对皮肤细胞的健康有重要意义。

3.Selenium is a tool that improves integration and functional testing.

Selenium是改进集成和功能测试的工具。

4.The researchers concluded high levels of dietary selenium may inhibit the development of lung cancer.

研究人员推断说硒含量高的饮食可以抑制肺癌的形成。

5.Indeed, you can get your daily dose of selenium in just one Brazil nut.

真的！你只需要吃一颗巴西果就可以达到日剂量。

6.Garlic is an excellent source of the cancer fighting mineral selenium.

大蒜是抗癌矿物质硒的精美来源。

7.On top of that, it is high in potassium, B vitamins, iron, and selenium.

更重要的是，它含有较高的钾、维生素B、铁和硒。

8.The lab tested the water for selenium to ensure it was safe for consumption.

实验室检测了水中的硒含量，以确保其适合饮用。

9.A deficiency in selenium can lead to various health problems.

缺乏硒可能会导致各种健康问题。

10.Foods rich in selenium include Brazil nuts and seafood.

富含硒的食物包括巴西坚果和海鲜。

11.The doctor recommended a selenium supplement for better immune function.

医生建议补充硒以增强免疫功能。

12.Some studies suggest that selenium may have antioxidant properties.

一些研究表明硒可能具有抗氧化特性。

作文

Selenium is a trace element that plays a crucial role in human health. It is an essential component of various enzymes and proteins, particularly those involved in antioxidant defense. The importance of selenium (硒) cannot be overstated, as it helps protect our cells from damage caused by free radicals, which are unstable molecules that can lead to chronic diseases such as cancer and heart disease. Many people may not realize that selenium (硒) is found in a variety of foods. Common sources include Brazil nuts, seafood, meats, and grains. The amount of selenium (硒) in these foods can vary significantly depending on the soil in which they are grown or raised. For instance, regions with selenium-rich soil produce crops that contain higher levels of this vital nutrient. Therefore, individuals living in areas with low soil selenium may be at risk of deficiency. Deficiency in selenium (硒) can lead to several health issues. One of the most notable conditions associated with low selenium levels is Keshan disease, a type of cardiomyopathy that affects the heart muscle. In addition, research has shown that inadequate selenium intake can impair immune function, making individuals more susceptible to infections. Furthermore, studies suggest that low levels of selenium (硒) may be linked to an increased risk of certain cancers, including prostate and colorectal cancer. On the other hand, while selenium (硒) is essential for health, excessive intake can also lead to toxicity. Symptoms of selenium toxicity, known as selenosis, include gastrointestinal disturbances, hair loss, fatigue, and even nerve damage in severe cases. Therefore, it is crucial to maintain a balanced intake of this mineral. Most people can achieve adequate selenium levels through a well-rounded diet without the need for supplements. In recent years, the role of selenium (硒) in overall health has gained attention, especially in relation to its potential benefits in preventing chronic diseases. Some studies have indicated that selenium (硒) supplementation may enhance immune response and reduce inflammation. However, more research is needed to fully understand the extent of these benefits and to establish optimal dosage recommendations. In conclusion, selenium (硒) is a vital micronutrient that contributes significantly to our health. From its role in antioxidant defense to its impact on immune function, maintaining adequate levels of selenium (硒) is essential for overall well-being. It is important for individuals to be aware of their dietary intake of this trace element and consult healthcare professionals if they suspect a deficiency or are considering supplementation. By prioritizing a balanced diet rich in selenium-containing foods, we can harness the health benefits of this remarkable mineral.

硒是一种微量元素，在人体健康中发挥着至关重要的作用。它是多种酶和蛋白质的重要组成部分，特别是那些参与抗氧化防御的酶和蛋白质。selenium（硒）的重要性不容小觑，因为它有助于保护我们的细胞免受自由基造成的损害，自由基是可能导致癌症和心脏病等慢性疾病的不稳定分子。 许多人可能没有意识到，selenium（硒）存在于多种食物中。常见来源包括巴西坚果、海鲜、肉类和谷物。这些食物中selenium（硒）的含量因其生长或饲养的土壤而异。例如，富含硒的土壤地区生产的作物含有更高水平的这种重要营养素。因此，生活在低土壤硒地区的个人可能面临缺乏的风险。 selenium（硒）缺乏可能导致几种健康问题。其中一个最显著的与低硒水平相关的疾病是克山病，这是一种影响心肌的心肌病。此外，研究表明，摄入不足的硒会损害免疫功能，使个体更容易感染。此外，研究还表明，低水平的selenium（硒）可能与某些癌症的风险增加有关，包括前列腺癌和结直肠癌。 另一方面，尽管selenium（硒）对健康至关重要，但过量摄入也可能导致毒性。硒中毒的症状称为硒中毒，包括胃肠道紊乱、脱发、疲劳，甚至在严重情况下神经损伤。因此，维持这种矿物质的平衡摄入至关重要。大多数人可以通过均衡饮食达到足够的硒水平，而无需补充剂。 近年来，selenium（硒）在整体健康中的作用受到关注，尤其是与其在预防慢性疾病方面的潜在益处相关。一些研究表明，selenium（硒）补充剂可能增强免疫反应并减少炎症。然而，仍需进行更多研究以充分了解这些益处的程度，并建立最佳剂量建议。 总之，selenium（硒）是一种重要的微量营养素，对我们的健康贡献巨大。从其在抗氧化防御中的作用到对免疫功能的影响，维持足够的selenium（硒）水平对整体健康至关重要。个人应注意其饮食中这种微量元素的摄入，并在怀疑缺乏或考虑补充时咨询医疗专业人员。通过优先选择富含硒的食物的均衡饮食，我们可以利用这种非凡矿物质的健康益处。