External sphincter of urinary bladder的用法和樣例：
例句
- The pudendal nerve provides the major nerve supply to the striated sphincter and levator ani.
外括約肌和提肛肌的主要支配神經為陰部神經。 - The external sphincter, at the leel of the membranous urethra, is often depicted as a "sandwich" of muscles in the horizontal plane.
外括約肌，位於尿道膜部水平，常被描述為水平平面上的三明治樣肌肉。
