inhibitor
noun [ C ] medical specialized uk/ɪnˈhɪb.ɪ.tər/ us/ɪnˈhɪb.ɪ.t̬ɚ/
抑制剂
something that stops or slows down a process
An inhibitor of gastric secretion provided relief from the patient's chronic diarrhoea. 胃分泌抑制剂为患有慢性腹泻的病人解脱了痛苦。