Results: the BO causing by benign and malignant etiology were 55.9%(38/68) and 44.1%(30/68) respectively.是什么意思_Results: the BO causing by benign and malignant etiology were 55.9%(38/68) and 44.1%(30/68) respectively.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句