n.(窗扇间的)竖框，直棂

The window is framed by a mullion.
这扇窗户由隔框支撑。
They removed the mullions to create an open space.
他们移除了隔框以创建一个开放的空间。
The mullion divides the large window into smaller panes.
隔框将大窗户分成了小格子。
The building's façade features intricate mullions on the windows.
建筑物的正面窗户上饰有精致的隔框。
The old house had wooden mullions in its casement windows.
老房子的窗框上有木制的隔框。
The mullions give the cathedral a distinct Gothic appearance.
隔框使大教堂呈现出独特的哥特式外观。
The removal of the mullions made the room appear larger.
移除隔框后，房间显得更大了。
The stained glass windows were separated by slender mullions.
彩色玻璃窗之间由细长的隔框隔开。
The mullions on the door add an elegant touch to the entrance.
门上的隔框给入口增添了一抹优雅。
The restoration project included replacing damaged mullions.
修复工程包括更换损坏的隔框。