head lamp door latch

例句：

1. 1. The old house has a rusty old door that needs to be replaced with a new one.
   这所老房子的门锈迹斑斑，需要换成新的。
2. 2. The car's headlight is broken, so we need to replace the door latch.
   汽车的头灯坏了，所以我们需要更换门闩。
3. 3. The security guard uses a keypad to unlock the door latch before entering the building.
   保安使用密码键盘来解锁门闩，然后进入大楼。