metal louvres

例句：

1. 1. The windows are made of metal louvres for added security.
   这些窗户是金属百叶窗，以增加安全性。
2. 2.The designer has used a mix of metal and glass to create these elegant louvres.
   设计师使用了金属和玻璃的混合，创造了这些优雅的百叶窗。
3. 3.The louvres can be adjusted to block out light during the day or let in natural light at night.
   百叶窗可以调整来白天阻挡光线或晚上让自然光进入。