cranial fossa的用法和樣例：
例句
- The patient underwent midline posterior fossa craniotomy and tumor excision, with prompt relief of gaze palsy.
患者接受了后顱窩中線(xiàn)切開(kāi)術(shù)和腫瘤切除術(shù)，凝視性麻痹立即緩解。 - This is due primarily to the limited space within the posterior fossa, as well as the potential involvement of the vital brain stem nuclei.
這是因為后顱窩空間有限，并且可以累及腦干的重要核團。
