He is working hard on his studies every day.

I like watching Noh plays.

I had lunch with my friends within the school.

The Riemann sum is a method for approximately calculating the integral of a function.

Humanities is an academic field that studies human culture and society.

He shot a short arrow with a shortbow.

I divide and do the house cleaning every day.

He is good at hunting using a shortbow.

He is an ex-soldier and often tells us about the war.

This old type of camera has a special charm that newer ones do not.