柯林斯詞典pus /p?s/ 1. N-UNCOUNT Pus is a thick yellowish liquid that forms in wounds when they are infected. 膿 返回 pus劍橋詞典thick , yellowish liquid that forms in and comes from an infected cut or injury in the body 膿 a pus-filled wound 化膿的傷口 返回 pus