This rock is mainly composed of calcite.

He is coughing because of a cold.

This rock has existed for millions of years.

We visited the ancient dolmen.

There is a stone Buddhist image from ancient times in this park.

The capacity of this bottle is 500 milliliters.

I am responsible for the contents of this document.

The touchstone to see his true character is his reaction when he faces difficulties.

I blushed at her joke.

He blushed with shame.