He created beautiful music using mature sounds.

He is good at writing school essays about his impressions of a book.

Reading this biscriptal kanji-kana text is difficult.

I owe him a great obligation.

The greenhouse effect is causing the earth's temperature to rise.

An affricate refers to a specific type of sound in phonetics.

A labial sound is a sound that is pronounced using the lips.

His English pronunciation is very natural.

Please adjust the temperature of the room.

This greenhouse is used to grow various types of plants.