Iridium is a metal that is very rare in the Earth's crust.

Radium is a radioactive chemical element.

The seahorse, also called 'tatsu no otoshigo', is loved by many people for its beauty and mystique.

She gave birth to a healthy boy yesterday.

Her hat had beautiful feathers on it.

We went to the bay with our family during the summer vacation.

I always relax at the beach on weekends.

Masumi is my best friend.

Ichizo is my best friend.

There is a world of difference between his cooking skills and mine.