This dish uses olive oil, which has been used since ancient times.

He is an expert in petrochemistry.

I have been to Yuzhno-Sakhalinsk.

He interprets the world from a materialistic perspective.

We need transportation to carry a large number of travelers.

I learned how to calculate rational expressions in math class.

He is a renowned person in that field.

Since he is still a green hand, he may make many mistakes.

Lemmings are small rodents that live in the Arctic region.

I live in Mississippi.