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重要的原則是決不清除貴重硬幣上的污垢。The golden rule is never to clean a valuable coin.通過張開的毛孔排出汗液和污垢。Your open pores excrete sweat and dirt.他的衣服沾滿了污垢。His clothes were covered in dirt....

“污垢”的英語可以翻譯為：dirt，filth，fouling，tarnish，bilge ...

“污垢”的拼音為：wū gòu...