The International System of Units is a system of units commonly used worldwide.

The roof of this house is made of thatch.

My father is a doctor.

Day after day, he continued to strive to solve the problem.

My father likes to tell dad jokes.

My uncle is a dairy farmer, and he takes care of cows every day.

I am a proud Earthling.

He believes in extraterrestrial life.

The epicentre of the earthquake was right under this city.

This road is under construction, so you cannot pass through.