He is majoring in electrical engineering.

It's difficult to understand the principles of electrooptics.

The mylohyoid muscle plays an important role in opening the mouth.

He is the intellectual leader of our team, always providing new ideas.

Living together with him was a new experience for me.

My new electric car is very quiet and also environmentally friendly.

He is majoring in embryology at university.

I am majoring in embryology at university.

He is majoring in theology at university.

He is known as an expert in forensic science.