zooph.

例句：

1. 1.The cat fleas are causing alot of problems for the family.
   猫蚤给家庭带来了很多麻烦。
2. 2. The dogfleas are spreadingall over the house.
   狗蚤在房子里四处传播。
3. 3. We needto get rid of thecat fleas in thehouse.
   我们需要把家里的猫蚤赶走。