This engine adopts the air cooling system.

He is a master of unarmed combat.

In this factory, we use compressed air to operate the machines.

I recorded music with my new sound recorder.

He tends to have a dislike for trying new foods that he has not tried before.

It has been decided that everyone will participate.

I have been to Japan three times before.

The last girlfriend was very beautiful.

He is in a state of being tired.

He started learning Zen.