This factory uses compressed air to operate the machines.

He lost everything.

The emotional atmosphere of this room is very calming.

He is always good at reading the atmosphere.

He is a person who can't read the room, so he struggles to match the atmosphere of the place.

My boyfriend gave me a gift.

Everyone was surprised by the news.

Have you ever seen a trumpeter swan at the lake in the park?

Mizunari is my best friend.

The syrinx of birds can produce different sounds depending on the species.