家蝇

例句：

1. 1. The housefly is a common pestin many homes.
   家蝇是许多家庭中的常见害虫。
2. 2. The cockroaches are causing a lot of damage tothe furniture.
   蟑螂正在损坏家具。
3. 3. To keepyour home clean, it's importantto control the housefly population.
   为了保持家中清洁，控制家蝇数量是很重要的。