Mercury is a very harmful element for the body.

We were surprised by his sudden death.

He crossed the ancient large river.

This expanse of water is very beautiful, isn't it?

He is like a sly fox.

His shirt was as white as snow.

Kō represents the first of the ten Heavenly Stems.

This mine contains very rare minerals.

This area is rich in minerals.

He knocked the stones together and made a 'clack' sound.