My younger brother caught the influenza.

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

The Brachiosaurus was a very large dinosaur.

Ryuu raised his axe.

Cytogenetics is a science that studies the structure and function of chromosomes and genes.

This area has undergone such a great change that it can be described as 'the sea has turned into a mulberry field'.

His life changed just like 'fields and mountains turn into seas and oceans'.

The Transmission Control Protocol is an important element for ensuring the reliability of data communication.

My new electric car is very quiet and also environmentally friendly.

My new electric vacuum cleaner is very quiet, making cleaning easier.