During the era of the Cold War, the world was divided into two major powers.

He lost everything.

She is planning a date with her current boyfriend.

My boyfriend gave me a gift.

Everyone was surprised by the news.

He went to try out his new air gun.

He can't read the room, so he caused trouble for everyone at the party.

This factory uses compressed air to operate the machines.

He is always good at reading the atmosphere.

He is an expert in aerodynamics.