He cast copper to make a bell.

We went to the park in the center of the city.

Sunday is my day off.

When I hear the place name 'Tokyo', I immediately remember its beautiful scenery.

He should stop speaking ill of people.

Technetium is one of the most unstable elements in the periodic table.

Earth is one of the planets in the solar system.

I'm always amazed by his extensive knowledge.

Her everyday life is very busy.

What is this equipment used for?