The semispinalis thoracis muscle is a deep muscle in the back that supports movement from the neck to the waist.

The multifidus thoracis muscle is a part of the back muscles, mainly involved in stabilizing the spine.

On is always maintaining a calm attitude.

He is hiding a secret.

That sound is very beautiful.

I like listening to music.

He is practicing the pronunciation of Japanese.

The benefits of this project will greatly affect the local economy.

A toneme is a part of linguistics, and it has the ability to change the meaning by changing the pitch or strength of a specific sound.

Global warming is a big issue that affects all of us.