Objective To study the treatment of cerebrospinal aporrhinosis after nasal sinus operation, especially frontal, ethmoid tumor resection.是什么意思_Objective To study the treatment of cerebrospinal aporrhinosis after nasal sinus operation, especially frontal, ethmoid tumor resection.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句