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.

When will this pain end?

Cell biology is the study of the structure and function of cells, which are the basic units of life.

Let's calculate so that all numbers become equal.

Every morning, I meditate to cleanse my mind.

The bird is making a nest in the tree.

Saito is my best friend.