pin holes

例句：

1. 1. The dress has several pin holes in it.
   这件衣服上有几个针孔。
2. 2.He carefully sewed the button back on with a needle and thread.
   他用针和线小心翼翼地把纽扣缝回去。
3. 3.I noticed that there were some pin holes in the fabric of the shirt.
   我发现衬衫的布料上有一些小针孔。