invade the body meaning in Chinese

侵入机体

Antibodies are produced by the immune system when something foreign, such as viruses or chemicals, invades the body .
抗体是免疫系统在异物（例如病毒或一些化学物质）侵犯机体时所产生的。
Protozoa one - celled creatures that invade the body cavities : entamoeba histolytica ; entamoeba coli
医学原虫中的腔道原虫分为：溶组织阿米巴结肠阿米巴
That the parasite invades the body and the disease first manifestes must take a certain period of time , as has been said before
寄生虫侵入人体和疾病第一次发作必定要经历一段时间，这一点在以前已经讲过。
If it invades the body again the immune system should be able to remember it and fight it without the person getting ill
之后,如病原体再侵入人体时人体免疫系统能够记住它,并在人不再生病的情况下排除病原体
Aseptic technique is the technique aiming to prevent all kinds of microorganisms from invading the body in the process of medical treatment and nursing care and it also means the technique that prevent germ free articles and environment from contaminated
答：无菌技术是指在医疗、护理操作中，防止一切微生物侵入人体和防止无菌物品，无菌区域被污染的操作技术。