柯林斯词典pus /pʌs/ 1. N-UNCOUNT Pus is a thick yellowish liquid that forms in wounds when they are infected. 脓 返回 pus剑桥词典thick , yellowish liquid that forms in and comes from an infected cut or injury in the body 脓 a pus-filled wound 化脓的伤口 返回 pus