Calcium oxide is one of the main components of cement.

He has a talent for sketching.

He sketches in the park every day.

The soundtrack of this movie is very moving.

His behavior was my miscalculation.

He made a miscalculation in the budget.

Our region is rich in forest products, especially in the production of timber.

It's difficult to move the 'yamabato' piece in shogi.

Butyric acid is one of the components that characterizes the flavor of butter.

I live in San Antonio.