tapered hole

例句：

1. 1. The hole in the wall is too small for a pencil.
   墙上的洞太小，铅笔进不去。
2. 2. The carpenter used a tapered hole to fit the screw into the wood.
   木匠用一个锥形孔来把螺丝钉插入木头里。
3. 3. The hole in the wall was filled with plaster to make it look bigger.
   墙上的洞被抹上石膏，看起来更大了。