1、Pyelography is a diagnostic procedure used to visualize the kidneys and urinary tract.
肾盂造影术是一种用于观察肾脏和泌尿系统的诊断过程。
2、The doctor ordered a pyelography to investigate the cause of the patient's recurring kidney infections.
医生要求进行肾盂造影术，以调查患者反复发作的肾脏感染的原因。