-
1. The doctor used a retractor to lift the patient'schest and examine his erection hinge.
医生使用拉钩来抬起病人的胸部并检查他的勃起铰链。
-
2. Thesurgeon performed an arthroplastyon the patient's knee, whichinvolved removing the damaged joint and replacing itwith a new, more stable hinge.
外科医生对患者的膝盖进行了关节置换手术，这包括移除受损的关节并用新的、更稳定的铰链替换它。
-
3. The engineer designed a new hinge system that would allow for smoothermovement of the door without damaging the patient's erection hinge.
工程师设计了一种新的铰链系统，这将允许门平滑移动而不会损坏患者的勃起铰链。