hinged flash-board

例句：

1. 1. The door is hinged on the left side.
   门向左边铰接。
2. 2. He used a hinge to open the door.
   他用一个铰链打开了门。
3. 3. The old cabinet had several hinges that were worn out.
   旧橱柜有几个铰链已经磨损了。