rigidly jointed portal

例句：

1. 1. The patient was admitted to the hospital with a rigidly jointed portal.
   病人因僵硬的关节门被送进了医院。
2. 2.The construction of this bridge required a rigidly jointed portal to be replaced.
   这座桥梁的建设需要更换一个僵硬的关节门。
3. 3.The researcher found that the rigidly jointed portal in the brain plays an important role in memory formation.
   研究者发现大脑中僵硬的关节门在记忆形成中起着重要作用。