This structure has existed for centuries.

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

His favorite food is sushi.

This park is a public property of the city.

This mineral is very rare.

My younger brother will enter the engineering department next year.

I am majoring in histology at university.

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

My major is chemical engineering.

She was wearing a wonderful dress at the ball.