Her ring was adorned with a beautiful topaz.

The calculation of the arccotangent is a part of trigonometry.

A quark is a type of elementary particle, and it is a component of protons and neutrons.

Primates, known as '霊長目' in Japanese, is a classification that includes many mammals, including humans.

The Austronesian language family is one of the most widely distributed language families in the world.

Dermaptera is a type of insect, characterized by its distinctive pincer-like tail.

I want to go to Cork, Ireland.

You often see crabeater seals in the Antarctic Ocean.

The plesiosaur is an ancient marine creature, and its appearance is significantly different from current creatures.

The plesiosaur is an ancient marine creature, and its appearance greatly differs from current creatures.