Nuclear fission is a powerful process that generates energy.

He loves playing string instruments.

He was fascinated by the beautiful timbre of string music.

He is asking for a reduction in taxes.

He is thinking of tax-saving measures to reduce his taxes.

I am majoring in linguistics at university.

I study classical language every day.

He is an expert in biophysics.

I am majoring in biophysics at university.

Nuclear fission is a powerful phenomenon that generates energy.