This lake is filled with fresh water.

I'm planning to buy a new desktop computer.

He called that country the axis of evil.

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.