They are small enough to easily slip inside your house.
它们足够小，可以轻易地溜进你的房子。
2
They are small enough to easily slip inside your house, live in colonies that number in the tens of thousands to the hundreds of thousands, and reproduce quickly.
它们很小，可以轻易地溜进你的房子里，成群地生活，数量从几万到几十万，迅速繁殖。
3
Plugging up the leaks that allow cold air to slip into your house—and drive up your heating bills—is an important first step in creating an energy-efficient home.