He is an expert in hydrology and is conducting research on flood prevention.

His sister suffered for a long time because of noma.

Many dragonfly nymphs live in this pond.

Mr. Teramizu is my best friend.

She bought a new sukumizu.

This 'Mizufuda' is from an old era.

I saw a water rail in the park pond.

Lye water is necessary to make Chinese noodles.

This warm water is ideal for warming the body.

He is indeed a splendidly handsome young man.