PP para-Aminosalicylic acid; its salts; its derivatives; their salts; any compound with any substance falling within this item是什么意思_PP para-Aminosalicylic acid; its salts; its derivatives; their salts; any compound with any substance falling within this item在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句