double-hung window

例句：

1. 1. The double-hung window provides ample natural light for the room.
   双层窗为房间提供了充足的自然光线。
2. 2. The double-hung window is a popular choice for modern homes.
   双层窗是现代家庭中流行的选择。
3. 3. The double-hung window offers more privacy than a single-hung window.
   双层窗比单层窗提供更多的隐私。