cheyletid mite

例句：

1. 1.The little nits were crawling all over the house.
   小虱子在房子里到处爬。
2. 2. The nits are causing a lot of itching.
   这些小虱子引起了很多痒。
3. 3. We need to get rid of these nits before they spread.
   我们需要在它们传播之前除掉这些小虱子。