He is an expert in enzymology and has conducted many studies in that field.

He is an expert in enzymology and conducts many researches.

Software engineering is a field of study related to the design and development of computer programs.

Palaeoclimatology is the science that studies the past climate of the Earth.

He is immersed in the study of geometrical optics.

He is attending a college preparatory school.

Spectroscopy is an important means of investigating the properties of matter.

This fluorescent pen is brightly colored and very noticeable.

I have fiber optic internet at my house.

Koukyou is my best friend.