He proposed a new theory about quantum mechanics.

Thanks to his serendipity, we were able to find a new business opportunity.

Katoriki is a rare name, isn't it?

An intercontinental ballistic missile is a weapon with a very large destructive power.

The launch of intercontinental ballistic missiles has become an international issue.

The intertransversarius muscle is an important part of our body, especially part of the back muscles.

Euclidean geometry forms the foundation of geometry.

I am majoring in auditory phonetics at university.

Articulatory phonetics is a study about the production of speech sounds.

Acoustic phonetics is the study of the physical properties of speech.