He earned a doctorate in the field of applied science.

My father is an expert in urology.

We are planning to go to the science museum this weekend.

He is an expert in planetary science.

Humanities is an academic field that studies human culture and society.

He is an excellent doctor.

He is a famous author, and his works are loved by many readers.

He likes to take a walk in the park at dusk.

My spouse is a doctor.

She described the pain of a broken heart as tears.