Active continence is achieved by voluntary contraction of the levator ani musculature, which surrounds the apex of the prostate and membranous urethra.是什么意思_Active continence is achieved by voluntary contraction of the levator ani musculature, which surrounds the apex of the prostate and membranous urethra.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句