sphincter ani的用法和樣例：
例句
用作名詞 (n.)
- The sphincter muscles of the rectum may also contract a few times at the same intervals as the orgasmic platform.
直腸肛門括約肌可能也像高潮平台一樣，以相同的時間間隔收縮數次。 - The test indicates that the pump can satisfy the basic requirement of the artificial anal sphincter system which can therefore control the anal incontinence.
測試結果表明該泵可以滿足人造肛門括約肌系統的基本功能，該系統可以有效地控制肛門失禁問題。
