cut out board

例句：

1. 1.The carpenter cut out the old boards and replaced them with new ones.
   木匠把旧木板拆下来，换上了新的。
2. 2.The engineer used a cut-out board to support the roof during construction.
   工程师用一块切掉的木板支撑屋顶施工期间。
3. 3.The painter removed the cut-out board from the wall before painting.
   画家在刷漆前将切掉的木板从墙上移除。