| 释义 | 
		rafter美 ['ræftər]  英 ['rɑːftə(r)]  - v.给…装椽子;把(木材)作成椽子
 - n.椽子
 - 网络椽条;筏夫;椽架屋顶
 
 n. beam,roof beam,joist,support,strut 1.  | 椽子one of the sloping pieces of wood that support a roof  |  
 n.  | 1. a sloping supporting timber, beam, or board that runs from the ridge beam of a roof to its edge 3. a lumberjack who ties logs into a raft to transport them downstream 5. a large piece of wood that supports a sloping roof 1. a sloping supporting timber, beam, or board that runs from the ridge beam of a roof to its edge 3. a lumberjack who ties logs into a raft to transport them downstream 5. a large piece of wood that supports a sloping roof  |  
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