immune

简明释义

英[ɪˈmjuːn]美[ɪˈmjuːn]

adj. 免疫的；不受影响的；免除的，豁免的

n. 免疫者，免除者

英英释义

单词用法

同义词

反义词

例句

1.The objective is to study the impact of extra water on the immune system in mice.

目的是研究多余的水对老鼠免疫系统的影响。

2.These organisms like this are abundant in the world around us and our immune system prevents us from getting sick most of the time.

在我们周围充斥着像这样的生物体，而我们的免疫系统在大多数时候能够抵御疾病。

3.Macrophages are cells that play a role in the response of the immune system of mice and other mammals to invasive organisms such as bacteria.

巨噬细胞是在小鼠和其他哺乳动物的免疫系统对细菌等侵入性生物的反应中发挥作用的细胞。

4.That rapid replication rate also increased the chances of strains evolving in ways that allowed them to evade hog immune systems.

那样迅速的复制速度也增加了菌株进化的机会，使它们能够用种种方式避开猪的免疫系统。

5.It may be that males can use scarce carotenoids either for immune defense and detoxification or for attracting females.

可能是雄性可以利用稀少的类胡萝卜素进行免疫防御和解毒，或者吸引雌性。

6.In vertebrates, the immune system provides a multiple defense against internal parasites.

在脊椎动物中，免疫系统提供了对体内寄生虫的多重防御。

7.For example, social contact can boost the development of the brain and immune system, leading to better health and less chance of depression later in life.

例如，社交可以促进大脑和免疫系统的发育，使人体更健康，并在以后的生活中降低负面情绪出现的几率。

8.The new treatment may help patients become immune to the effects of the drug.

这种新疗法可能帮助患者对药物的效果变得免疫。

9.Some people are naturally immune to certain diseases.

有些人天生对某些疾病是免疫的。

10.Children are often immune to common colds after repeated exposure.

儿童在多次接触后通常对感冒是免疫的。

11.After receiving the vaccine, she felt more immune to the virus.

接种疫苗后，她感觉对这种病毒更免疫了。

12.He believes that his healthy lifestyle makes him immune to stress.

他相信健康的生活方式使他对压力免疫。

作文

The human body is a remarkable system that has evolved to protect itself from various diseases and infections. One of the most fascinating aspects of this system is how it becomes immune (免疫的) to certain pathogens after exposure. This ability to develop immunity is crucial for our survival, as it allows us to fend off illnesses that could otherwise be detrimental to our health. In this essay, we will explore the concept of immunity, how it works, and its significance in our daily lives.Immunity can be broadly classified into two types: innate immunity and acquired immunity. Innate immunity is the body's first line of defense against pathogens. It includes physical barriers such as skin and mucous membranes, as well as immune cells that respond quickly to any invaders. For example, when a virus enters the body, innate immune cells like macrophages and neutrophils are among the first responders, working tirelessly to eliminate the threat.On the other hand, acquired immunity develops over time and is specific to particular pathogens. This type of immunity is characterized by the formation of antibodies, which are proteins produced by the immune system in response to exposure to antigens. Antigens are substances that trigger an immune response, such as bacteria or viruses. Once the body encounters a specific pathogen, it remembers it, allowing for a quicker and more effective response during future exposures. This process is what makes us immune (免疫的) to diseases we have previously encountered.Vaccination is a prime example of how we can enhance our acquired immunity. Vaccines introduce a harmless component of a pathogen into our bodies, prompting the immune system to create antibodies without causing the disease. This way, if we are later exposed to the actual pathogen, our bodies are prepared to fight it off. The success of vaccines in eradicating diseases like smallpox and significantly reducing the incidence of polio and measles highlights the importance of understanding and utilizing our immune (免疫的) system.However, there are instances where our immune (免疫的) system may not function optimally. Conditions such as autoimmune diseases occur when the immune system mistakenly attacks healthy cells, believing them to be foreign invaders. This can lead to chronic inflammation and damage to various organs. Additionally, immunodeficiency disorders can weaken the immune response, making individuals more susceptible to infections.In conclusion, our immune (免疫的) system plays a vital role in maintaining our health and well-being. By understanding how immunity works, we can take proactive measures to protect ourselves from diseases. Whether through vaccinations, healthy lifestyle choices, or seeking medical advice when necessary, we can support our immune (免疫的) system and ensure that it functions effectively. As we continue to face new health challenges, the importance of being informed about our immune (免疫的) system cannot be overstated. It is essential for safeguarding our health and the health of those around us.

人体是一个了不起的系统，已经进化出保护自己免受各种疾病和感染的能力。这个系统中最令人着迷的方面之一是它在接触某些病原体后如何变得免疫的（免疫的）。这种发展免疫力的能力对我们的生存至关重要，因为它使我们能够抵御本可能对我们的健康造成危害的疾病。在这篇文章中，我们将探讨免疫的概念、它是如何运作的以及它在我们日常生活中的重要性。免疫可以大致分为两种类型：先天免疫和获得性免疫。先天免疫是身体对病原体的第一道防线。它包括皮肤和粘膜等物理屏障，以及快速响应任何入侵者的免疫细胞。例如，当病毒进入身体时，巨噬细胞和中性粒细胞等先天免疫细胞是首批响应者，努力消除威胁。另一方面，获得性免疫随着时间的发展而形成，并且特定于特定病原体。这种类型的免疫以抗体的形成为特征，抗体是免疫系统在接触抗原时产生的蛋白质。抗原是触发免疫反应的物质，例如细菌或病毒。一旦身体遇到特定病原体，它就会记住，从而在未来的接触中允许更快、更有效的反应。这个过程就是为什么我们对以前遇到的疾病变得免疫的（免疫的）。疫苗接种是我们如何增强获得性免疫的一个典型例子。疫苗将病原体的无害成分引入我们的身体，促使免疫系统在不导致疾病的情况下产生抗体。这样，如果我们后来接触到实际的病原体，我们的身体就准备好抵抗它。疫苗在根除天花和显著减少小儿麻痹症和麻疹的发生率方面的成功突显了理解和利用我们免疫的（免疫的）系统的重要性。然而，有些情况下我们的免疫的（免疫的）系统可能无法正常运作。自身免疫性疾病发生在免疫系统错误地攻击健康细胞时，认为它们是外来入侵者。这可能导致慢性炎症和对各种器官的损害。此外，免疫缺陷疾病会削弱免疫反应，使个体更容易受到感染。总之，我们的免疫的（免疫的）系统在维持我们的健康和幸福中发挥着至关重要的作用。通过了解免疫是如何运作的，我们可以采取主动措施来保护自己免受疾病。无论是通过疫苗接种、健康的生活方式选择，还是在必要时寻求医疗建议，我们都可以支持我们的免疫的（免疫的）系统，确保其有效运作。随着我们继续面临新的健康挑战，了解我们的免疫的（免疫的）系统的重要性不容低估。这对保护我们的健康和周围人的健康至关重要。