Mount Fuji is the highest mountain in Japan.

He loves mountain climbing.

This mountain was the stage for historical events.

He read quite a lot of books.

When spring comes, I go to the mountains to look for bamboo shoots.

He is an expert in embryology, studying the developmental processes of many kinds of organisms.

The process of embryogenesis is very complex, with continuous cell division and differentiation.

At this construction site, they are solidifying the ground using slurry.

This stratum is mainly composed of mudstone.

The pond in that park is full of soft mud.