常见例句用作形容词 (adj.)Conclusion Ultrasonography is useful in diagnosing retroperitoneal lipomas.结论超声对原发性腹膜后脂肪瘤的诊断有一定的价值。The retroperitoneal space was opened and the ureters were identified bilaterally.打开腹膜后隙，认清两侧宫旁组织。 返回 retroperitoneal