He is an expert in geophysics.

He was born in an oblast of Russia.

He is traveling around the world in search of adventure.

He is the intellectual leader of our team, always providing new ideas.

The battery has run out, so I have to go buy a new one.

I love blue cheese salad.

I love cheeseburgers.

My boat is equipped with the latest fishfinder.

Let's start the meeting according to Central Standard Time.

Beijing follows China Standard Time.