Trigonometry is a branch of mathematics that studies the relationship between angles and triangles.

In his study of international law, he particularly focuses on jus gentium.

We like to watch satellite broadcasting at home.

Phoenix is one of the constellations in the southern hemisphere.

When he opened the supernatural box, an astonishing power was released.

You can use spectroscopy to examine the components of a substance.

My great-grandfather was a leading painter in Japan when he was young.

He was hospitalized because of heart failure.

I am single and live alone.

My father had to move away from his family for work.