innate immune system短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 天然免疫，固有免疫 They tested mice with and without a type of white cell in the lining of the lung known as alternatively activated macrophages, a part of the innate immune system. 他们分别在肺内层有或没有替代性活化的巨噬细胞的实验小鼠上试验，该巨噬细胞是机体免疫组成部分。 blog.sina.com.cn