Ikko is my best friend.

He is deeply studying the teachings of Confucianism.

There are many stomata on the leaves of this plant.

This fabric is perforated, so it has good breathability.

This timber is perforated, allowing the wind to pass through.

I went to see a movie by myself.

Watching a movie alone is enjoyable.

There are 20 students in our class.

He is truly a wonderful person.

He is a true gentleman.