immune tolerance

例句：

1. 1. The immune system's ability to tolerate foreign substances is crucial for survival.
   免疫系统能够耐受外来物质的能力对于生存至关重要。
2. 2.Allergic reactions are a form of immune tolerance that allows the body to recognize and respond to certain allergens.
   过敏反应是一种免疫耐受的形式，它使身体能够识别和响应某些过敏原。
3. 3.In some cases, immune tolerance can lead to autoimmune diseases, where the body mistakenly attacks its own tissues.
   在某些情况下，免疫耐受可能导致自身免疫性疾病，其中身体错误地攻击自己的组织。