a thick yellowish or greenish opaque liquid produced in infected tissue, consisting of dead white blood cells and bacteria with tissue debris and serum
脓。
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pusn.脓
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plusprep.加;零上;以及;和
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putv.放;置;使处于某一状态;把… 归咎于;把… 推诿给;把…施加于;投掷;推;写上;印上
" late Middle English: from Latin."