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immunity是什么意思，immunity翻译
Immunity is a complex biological system that protects organisms from harmful pathogens such as bacteria, viruses, and parasites. It is a crucial aspect of survival for all living beings, from humans to plants and animals. The immune system recognizes and responds to foreign invaders, preventing them from causing infection and disease. In this article, we will explore the different types of immunity, how they work, and their importance in maintaining our health.
The first type of immunity is innate immunity, also known as natural immunity. This is the immunity that we are born with and provides immediate, non