He found a hidden hot spring deep in the mountains.

On a cold night, a hot water bottle is indispensable.

On a cold night, a hot water bottle is necessary.

He washed his body before entering the men's bath.

She washed her body before entering the women's bath.

When making pasta, draining out the hot water is an important step.

Please drain the hot water after boiling the pasta.

Today's dessert is tangyuan.

In the casting factory, the molten metal is kept at a high temperature.

He interpreted his own haiku using the technique of writing and exegesis of one's own haiku.