metal sash

例句：

1. 1.The new car has a sleek and modern metal sash.
   这款新车有着光滑现代的金属窗框。
2. 2. The old building was renovated with new metal sash windows.
   这座老建筑被改造成了带有新金属窗框的窗户。
3. 3. The designer used a mix of metal sash and wood to create the elegant look.
   设计师用金属窗框和木材混合制作出了优雅的外观。