Understanding the concept of 'Ha-line conversion sounds' is important in learning Japanese.

Infrared astronomy plays a very important role in the study of the universe.

Infrared astronomy provides a new perspective on understanding the universe.

This system transfers data using synchronous transfer mode.

I want to go to Saint Vincent and the Grenadines.

He lives with the spirit of 'I alone am the honored one under heaven and on earth.'

He used the ancient power to summon Ten.