In physics, time and space are closely related.

He is the administrator of this website.

I was born and raised in the Kanto region.

In trigonometry, it is important to calculate the value of the cosecant.

I have started learning Cantonese.

He decided to stop eating unhealthy snacks between meals.

He often snacks during work.

He was observing the behavior of birds.

His thought is very unique.

He supervised the production of this movie.