膿的用法和樣例：
例句
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排出物從生命體排生物或廢物，如膿、屎、尿等
Discharge or waste, such as pus or feces, from a living organism. -
醫生把皮下膿腫切開讓膿流出。
The doctor lanced the boil to let the pus out. -
膿頭中間有膿液的膿瘡、癤或丘疹的頂端
The tip of an abscess, a boil, or a pimple, in which pus forms.
