immunity to disease that occurs as part of an individual's natural biologic makeup
双语例句
The disease robs the body with its natural defences against infections. 这种疾病攻击身体的天然免疫系统导致感染。
Defensive mechanisms based upon germline-encoded receptors constitute a system of innate immunity. 遗传而来的受体所建立的防御机制为天然免疫系统。
The body has a hard time eliminating the bacteria completely, and natural immunity after a bout with the microbes lasts only about six months. 一来人体不易将它们给驱逐殆尽，再者染上一回披衣菌所产生的自然免疫，也只能维持六个月左右。
