termite|termites

我们在院子里发现了白蚁的巢穴，它们正在啃食木栅栏。

We found a ___termite nest in the yard, and they were eating the wooden fence.

我们不得不更换地板，因为白蚁已经把它蛀空了。

We had to replace the floor because ___termites had eaten through it.

我们在阁楼上发现了一群白蚁在啃食木梁。

We found a colony of ___termites eating the wooden beams in the attic.