“使免疫”用英语怎么说

人们相信压力能确实地使免疫系统功能下降.It's believed that stress can actually depress the immune system.由于移植会使免疫系统变弱, 病人在此情况下不能施行手术.Because transplants weaken the immune system, they cannot be performed on sick patients.病原体始终在进化,使免疫系统...