The game was stopped due to sudden rain.

This rock contains a lot of neutral feldspar, especially andesine.

Neutron stars are known for their density and strong gravity.

His thesis is filled with a lot of comments.

He commented on the article.

He underwent surgery for appendicitis.

He is the center of the team.

He is good at abstracting the abstract points of the problem.

Small-to-medium-sized enterprises are a major pillar of the Japanese economy.

There are many historical buildings in the central part of this city.