指甲孔

例句：

1. 1. She carefully picked up the nail and removed the hole in the wall.
   她小心翼翼地拿起钉子，把墙上的孔洞挖掉了。
2. 2. The nail hole was filled with plaster to fix the board.
   用石膏填充了那个钉孔来固定木板。
3. 3. He carefully drilled a nail hole into the wood for hanging pictures.
   他小心地在木头上钻了一个钉孔用来挂画。