Here is an ependymoma arising from the ependymal lining of the fourth ventricle above the brainstem and bulging toward the cerebellum.是什么意思_Here is an ependymoma arising from the ependymal lining of the fourth ventricle above the brainstem and bulging toward the cerebellum.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句