基本解释int.呸；哼(表示輕蔑、不快的感歎詞)PAH.abbr.多環芳烴(=polycyclic aromatic hydrocarbon)同根派生 pah相关词英汉例句用作縮略詞 (abbr.)The results showed that the cultivated bacteria had a significant degradation effects to PAH.結果表明,降解菌對堆肥中的多環芳烴有明顯的降解作用。pah更多例句