retrograde urethrography

例句：

1. 1.This technique is used to diagnose conditions affecting the urethra.
   这种技术用于诊断影响尿道的疾病。
2. 2. The patient underwent retrograde urethrography for evaluation of the bladder function.
   患者接受了逆行尿道造影术，以评估膀胱功能。
3. 3.During the procedure, a catheter was inserted into the urethra and then retrograde urethrography was performed.
   在手术过程中，导管被插入尿道，然后进行了逆行尿道造影术。