He was executed by a firing squad.

He obtained permanent residence in Japan.

He decided to permanently reside in Japan.

獸 is not often used as a name.

A positive-definite matrix is an important concept in linear algebra.

There are times when we perform calculations with the haversine in trigonometry.

He drew an equilateral triangle shape.

He is an expert in orthoepy, teaching pronunciation.

This orthophoto shows the details of the terrain very clearly.

Heavy hydrogen is one of the isotopes of hydrogen.