The theory of metric spaces plays an important role in many areas of mathematics.

Please tell me the formula to calculate the Euclidean distance.

He is famous as a long-distance athlete.

The manager is managing all the projects.

This program uses fixed-length blocks.

The leatherback sea turtle is the largest sea turtle in the world, reaching about 2 meters in length in mature individuals.

He is the editor in chief of this magazine.

He was deep in thought, puffing on his long pipe.

He was deep in thought, with a long pipe in his mouth.

He is a famous kapellmeister, and has directed many orchestras.