This project is proceeding in a small breadth.

We spent our summer vacation in a cottage in the mountains.

What is the horizontal breadth of this table?

He is an expert in Classical Chinese text studies, and is good at interpreting ancient Chinese literature.

He is majoring in exegesis.

Paleogeography is a study that researches the past geographical conditions of the Earth.

He is writing a thesis on paleogeography.

My major is chemical engineering.