免疫系统的机能丧失可能有很多原因。由遗传缺陷造成的免疫疾病通常在生命早期就可看出。

The immune system may fail to function for many reasons. Immune disorders caused by a genetic defect are usually evident early in life.

youdao

免疫系统的机能丧失可能有很多原因。由遗传缺陷造成的免疫疾病通常在生命早期就可看出。

The immune system may fail to function for many reasons. Immune disorders caused by a genetic defect are usually evident early in life.

youdao