This vitamin is water-soluble, so it easily dissolves in water.

This lake is inhabited by a wide variety of aquatic organisms.

Water transportation has been developed in this area since ancient times.

In this experiment, we will dissolve salt in an aqueous solution.

There are not many parks in this area.

He gave her a kiss.

He was promoted to the highest rank in the military, a marshal.

He started a fire using a flint.

The tap water at this restaurant is very delicious.

Izumi is my best friend.