immunosuppression
noun [ U ] medical specialized uk/ˌɪm.jə.nəʊ.səˈpreʃ.ən/ us/ˌɪm.jə.noʊ.səˈpreʃ.ən/
免疫抑制（通常通过药物有意识地抑制免疫反应，尤其用在阻止或降低机体对移植器官的排斥反应）
a situation in which the body's immune system is intentionally stopped from working, or is made less effective, usually by drugs, especially in order to help the body accept an organ that has been taken from another person's body
High levels of immunosuppression are needed to prevent rejection of transplanted tissue or organs. 需要高强度的免疫抑制来防止对移植器官或组织的排斥。