The soup is warming in the pot over the fire.

汤正在炉子上的锅里热着呢。

youdao

At the foot of this tree a fire was burning, over which three hares were roasting a huntsman on a spit, and behind him, on another fire, hung a steaming pot, whence emerged the head of a dog.

树底下画了一堆燃烧着的火，三只野兔抬着一个穿在烤叉上的猎人在火上烘烤，树后面，另一堆火上挂一口热气腾腾的锅，锅里露出一个狗头。

youdao

Early in the morning Grethel was obliged to go out and fill the great pot with water, and hang it over the fire to boil.

清晨格雷特被迫出去并且把这口大锅添满水，并把它放到火下面去煮。

youdao

In Mongolia, mutton is barbecued in a pot with heated stones and then cooked over an open fire for the dish khorkhog, while whole marmot or goat is stuffed with heated stones and cooked over a fire for boodog.

BBC: The geography of American barbecue

This is a cyberspace equivalent of the fairytale about stone soup, in which two men set up a big pot full of water over a fire in a town square, drop in a stone, and start stirring.

ECONOMIST: Electronic commerce