alpha-adrenergic block·ing agent英ˈblɒkɪŋ美ˈblɑkɪŋAHDblŏkʹĭng 基本英英近义反义 α-肾上腺素能阻滞剂 Noun: any of various drugs that block alpha-adrenergic receptors; used in treating benign prostatic hyperplasia; relaxes the muscles of the prostate and bladder近义词alpha blockera阻滞药