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.

She shyly hid her cheeks that had turned red.

I often go roller skating in the park on weekends.

Gisuke is my best friend.

This software has high scalability.

His efforts were like a mantis trying to stop a chariot, he couldn't achieve any results.

I sincerely thank you for your help.

He is researching on the pathogenesis and treatment of early-onset diabetes.