That's why peanuts are also called groundnuts.

为花生也被称为落花生。

Is it like groundnut or rapeseed or something seedy, something, this is really bothering me.

不像花生、油菜籽或者菜籽，真难倒我了。

They grumbled that they only had gruel and groundnut to eat.

他们咕哝着说他们只有稀粥和落花生可吃。