1、Urethral stricture is a condition where the urethra becomes narrowed, making it difficult to pass urine.
尿道狭窄是尿道变窄的病症，导致排尿困难。

2、Urethral catheterization is a common procedure used to drain the bladder in medical settings.
尿道导管插入是一种常见的医疗操作，用于排空膀胱。