1、The membranous labyrinth contains the cochlea, vestibule, and semicircular canals, including the utricle and saccule.
乳突、前庭和半规管组成了膜迷路，其中包括有耳石囊和椭圆囊。

2、The saccule is responsible for detecting linear acceleration and the direction of gravity.
椭圆囊负责检测线性加速度和重力方向。