折叠门

例句：

1. 1. The folding door is easyto open and close.
   这个折叠门很容易打开和关闭。
2. 2. The new apartment has afolding door that opens up to theliving room.
   新公寓有一个可以打开到客厅的折叠门。
3. 3. The folding dooris designed to save space and make theroom look larger.
   这个折叠门设计来节省空间，使房间看起来更大。