| 单词 | 窗扇 | 
| 释义 | 〔reveal〕The part of the side of a window or door opening that is between the outer surface of a wall and the window or door frame.(门,窗)框边:墙外表面和窗扇或门之间的部分〔mullion〕A vertical strip dividing the panes of a window.直棂,竖框:窗扇中起分隔作用的直竖支板 | 
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