natural acquired immunity
常见例句
- Objective:To compare the functions of natural immunity and acquired immunity in patients with primary gallbladder carcinoma (PGC) before operation after operation.
目的：探讨原发性胆囊癌患者手术前后机体自然免疫防御机能和后天获得性免疫机能的对比结果。 - But knowing how much natural immunity has been acquired through infection is more difficult, especially given the very mild nature of illness in the vast majority of patients.
但很难说清因感染获得了何种程度的天然免疫力，尤其是因为在绝大多数患者身上，疾病的性质非常温和。 返回 natural acquired immunity