Rectal dilator
A rectal or anal dilator is a medical device to open and relax the internal/external anal sphincter and rectum to facilitate medical inspection or relieve constipation.
英汉网英语在线翻译词典收录了3779314条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。