This incubator is an essential device for protecting the lives of newborns.

My borborygmus was so loud that everyone could hear it during the meeting.

I found a crying rabbit in the park.

I found a nakiusagi in the park.

I heard the beautiful voice of a songbird in the park.

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

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

Mizunari is my best friend.

He is good at playing the music box.

Chlorine detonating gas is very dangerous, and it requires careful handling.