Our house and his house are separated by a narrow body of water.

Numerical analysis is a branch of mathematics that studies techniques and theories for solving mathematical problems numerically.

We must not forget the horror of nuclear and hydrogen bombs.

His actions were beyond our speculation.

I bought a new bathing suit.

My hobby is breeding saltwater fish.

I forgot my swimming trunks and couldn't swim.

The source of this river is at the top of the mountain.

This building is built completely vertical.

He is very picky about food.