I am majoring in auditory phonetics at university.

He is interested in geometrical shapes.

He is an expert in folklore studies, and his research is highly regarded worldwide.

He is an expert in computational linguistics and is involved in the development of artificial intelligence.

This land is fertile, and crops grow well.

There is a large bathtub in my new house.

He explained the importance of studying while young, saying 'If you do not study when you are young, it will be difficult to learn when you are old.'