iron hinge

例句：

1. 1. The old house had a rusty iron hinge that creaked every time it opened.
   那所旧房子有一个生锈的铁铰链，每次打开时都会嘎吱作响。
2. 2.The door was so old that the iron hinge broke and had to be replaced.
   这扇门太旧了，铁铰链断了，不得不更换。
3. 3.The old mansion has several iron hinges that are still in use today.
   这座古老的豪宅有几个仍在使用的铁铰链。