封闭剂,封阻剂封堵剂链端封结剂阻断剂阻滞剂, 抑制剂阻滞药block: n. 1.片,块,大块;粗料,毛料;木料;石料;金属块; ...agent: provocateur (pl. agents prov ...adrenal blocking agent: 肾上腺能阻滞药adrenergic blocking agent: 类上腺素阻断剂; 肾上腺素能阻滞剂adrenergic neuron blocking agent: 肾上腺素能神经元阻滞剂,肾上腺素能神经阻断剂下载手机词典可随时随地查词查翻译