pelvic floor的用法和样例：
例句
- The new system reinforces the ligaments and other structures that support the agina, helping to stabilize the pelic floor.
这个新的装置增强韧带和其他支持阴道的结构，帮助稳固骨盆底。 - Pelvic floor muscle exercise is a kind of physiotherapy which increases the strength of the external sphincter by active contraction of the pelvic floor muscle.
骨盆底肌肉训练是一种物理治疗，藉由病人主动式的收缩运动，强化骨盆底肌肉，也随之加强尿道括约肌的力量。
