短语词组短語purgative a 瀉葯;清洗的simple purgative 繙譯purgative medicinal 瀉下葯purgative saline 繙譯;瀉鹽purgative effect 瀉下作用purgative contraindication 瀉下禁例Purgative function 便秘功能 返回 purgative