The Mesolithic is the era between the Paleolithic and the Neolithic.

I studied linear algebra at university.

Under the big tree, he was reading a book.

When the visitor came, I was not at home.

He is known as an expert in forensic science.

He determined the direction using a magnetic compass.

This negotiation is beneficial for both sides.

He is good at speaking the dialect of that region.

The Hogen era is a Japanese era name that lasted from 1156 to 1159.

Let's study in the library after school.