Objective:Malignant melanoma is not an uncommon malignancy in the head and neck regions but metastatic malanoma in the parotid was very rare.是什么意思_Objective:Malignant melanoma is not an uncommon malignancy in the head and neck regions but metastatic malanoma in the parotid was very rare.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句