Debuccalization refers to the phenomenon in phonetics where a specific sound is pronounced outside the oral cavity.

Kunminjōon is a book for teaching the correct pronunciation of Hangul.

Ri is wearing black clothes.

He is traveling around the world in search of the elixir of life.

He is an expert in primatology and is engaged in the study of gorilla behavior.

This old radio uses a cold-cathode tube.

I have been to Salt Lake City.

A cooling device utilizing the principle of radiative cooling has been developed.

His behavior is a typical example of narcissism.

He is studying hard every day.