leaf shutter

例句：

1. 1. The oldhouse has a beautiful wooden leaf shutter onthe front door.
   这所老房子的前门上有一个漂亮的木制百叶窗。
2. 2.She installed a new leaf shutter to improvethe security of her home.
   她安装了一个新的百叶窗来提高她家的安全性。
3. 3. Theleaf shutters on the windows are designedto block out light and noise.
   窗户上的百叶窗设计用来阻挡光线和噪音。