We don't need to reinvent the wheel.

Sputnik is the first artificial satellite.

He was born in an oblast of Russia.

He is a world-renowned zoologist.

She is working as a waitress.

She attached a new strap to her bag.

He provided meals to the homeless people.

My suitcase is too heavy to lift.

My father is an ichthyologist and has a deep knowledge about marine life.

I made a special birthday card for her birthday.