He is majoring in history.

The sepals of this flower are green and very beautiful.

He is a world-renowned scholar.

Commuting to school by train every day is tough.

I commute to school by train every day.

This reaction has reached chemical equilibrium.

His new theory is a big topic in the scientific community.

Yesterday, I went to see a Sarugaku performance.

Koma-gaku is one of the traditional music of Japan.

He is enjoying the performance of kudara-gaku.