我阿姨是个囤积狂，她的地下室堆满了从未用过的旧家具。

My aunt is such a ___packrat that her basement is filled with old furniture she never uses.

我们在露营地里发现一只林鼠正叼着硬币往巢穴搬运。

We spotted a ___packrat carrying a coin back to its nest at the campsite.