那个疲惫的搬运工在搬运沉重的袋子时发出了哼哼声。

The exhausted ___grunter made noises while carrying the heavy bags.

那只小猪在谷仓里不停地哼哼叫。

The little ___grunter kept making noise in the barn.

这种鱼因其发出的咕噜声而被当地人称为咕噜鱼。

The locals call this fish a ___grunter because of the grunting sound it makes.