Spectroscopy is an important means of investigating the properties of matter.

He thought deeply about the result of that juristic act.

Japan is a constitutional state, and all people are equal under the law.

We will use boric acid in this experiment.

He is known as an expert in forensic science.

I like listening to Japanese music.

We are siblings born from the same mother.

The incident was covered in newspapers nationwide.

A visitor has come.

The photoelectric effect is a phenomenon where a material emits electrons after absorbing light.