He is majoring in exegesis.

Paleogeography is a study that researches the past geographical conditions of the Earth.

He is writing a thesis on paleogeography.

Learning about the existence of Yamatai-koku is very interesting.

My major is chemical engineering.

This music is being played at a volume of 80 phons.

In organic chemistry, sulfone is an important compound.

𛀞 is one of the syllables in Japanese.

In that case, let's take the next train.

Her eyelids are very beautiful.