carrier of pathogens meaning in Chinese

病原体的携带者

When the defensive power of the host is temporarily equal to the invasive power of the parasites , a small number of parasites can live or reproduce in the body . though they may not cause harm or clinical symptoms to the organism , the host will become a carrier of pathogens disease - causing agents
若宿主的防御力量与寄生虫的侵袭力，处于暂时平衡时，侵入的少量寄生虫，可在人体内存活或繁殖，尚不致于对机体造成危害，不会出现临床症状，但可传播病原体而成为带虫者。