●The bladder muscles weaken. As a result, they cannot empty the bladder as well, and more urine is left in the bladder after urination. 膀胱肌肉衰弱。膀胱肌肉衰弱,会导致膀胱无法完全排空,更多的尿液在排尿后留在体内。 ●The muscle that controls the passage of urine out of the body (urinary ...