This fashion spread quickly.

He is an expert in fluid mechanics.

This area is equipped with a sewer installed by the prefecture, making life very convenient.

The Brachiosaurus was a very large dinosaur.

Sena was born prematurely.

Echinoderms are a type of marine life, many of which have star-shaped bodies.

She has zoophobia, and runs away as soon as she sees dogs or cats.

He is a world-renowned biologist.

He is an expert in geophysics.

Roundworms are an important part of the soil and contribute greatly to the health and fertility of the soil.