airhole

例句：

1. 1.The airhole in the wall allows fresh air to circulate through the room.
   墙上的这个空气孔允许新鲜空气在房间内流通。
2. 2. The scientist found an airhole in the rock that could be used for drilling.
   这位科学家在岩石中发现了一个空气孔，可以用来钻孔。
3. 3. The airhole was too small to allow any animals to pass through.
   这个空气孔太小了，无法让任何动物通过。