免疫系统是一个复杂的细胞、组织和器官网络

The immune system is a complex network of cells, tissues, and organs that work together to defend the body against harmful invaders, such as bacteria, viruses, and other pathogens. It is composed of two main parts: the innate immune system, which provides a rapid but non-specific response to infections, and the adaptive immune system, which develops a specific response to a particular pathogen after the first encounter.

免疫系统是一个复杂的细胞、组织和器官网络，它们共同工作来保护身体免受有害入侵者的侵害，如细菌、病毒和其他病原体。它主要由两个部分组成：先天免疫系统，它为感染提供快速但非特异性的反应；以及适应性免疫系统，它在首次遇到特定病原体后发展出特定的反应。

关于免疫系统的英语词汇及短语：

1. Immune system - 免疫系统
2. Innate immunity - 先天免疫
3. Adaptive immunity - 适应性免疫
4. Antigen - 抗原
5. Antibody - 抗体
6. Immune response - 免疫反应
7. Immune cell - 免疫细胞
8. White blood cells - 白细胞
9. Lymphocytes - 淋巴细胞
10. T cells - T细胞
11. B cells - B细胞
12. Phagocytes - 吞噬细胞
13. Immunodeficiency - 免疫缺陷
14. Autoimmune disease - 自身免疫疾病
15. Immunotherapy - 免疫疗法

关于免疫系统的英语作文（翻译）：

The Marvelous Immune System 《奇妙的免疫系统》

The immune system is a remarkable defense mechanism that safeguards our bodies from a myriad of threats. It is a sophisticated network of cells, tissues, and organs that work in harmony to protect us from harmful pathogens.

免疫系统是一个了不起的防御机制，它保护我们的身体免受无数威胁。它是一个由细胞、组织和器官组成的复杂网络，它们协调工作以保护我们免受有害病原体的侵害。

This intricate system is divided into two main components: innate immunity and adaptive immunity. Innate immunity provides an immediate but non-specific response to infections, while adaptive immunity develops a targeted response to a specific pathogen after the initial encounter.

这个复杂的系统分为两个主要部分：先天免疫和适应性免疫。先天免疫对感染提供即时但非特异性的反应，而适应性免疫在初次接触后对特定病原体发展出有针对性的反应。

The immune system's ability to recognize and respond to foreign invaders is crucial for our survival. Without it, we would be vulnerable to countless diseases and infections. It is a testament to the body's incredible resilience and adaptability.

免疫系统识别和应对外来入侵者的能力对我们的生存至关重要。没有它，我们将容易受到无数疾病和感染的侵害。这是身体惊人韧性和适应性的证明。

In conclusion, the immune system is a marvel of nature, a testament to the body's ability to defend itself and maintain health. It is a complex and fascinating area of study that continues to reveal new insights into the workings of our bodies and the mysteries of life.

总之，免疫系统是自然界的奇迹，证明了身体自我防御和维持健康的能力。这是一个复杂而迷人的研究领域，不断揭示我们身体运作和生命奥秘的新见解。