The two-humped camel is an animal adapted to live in the desert.

The one-humped camel lives in the desert.

He is interested in learning the international auxiliary language.

He is interested in paleozoology.

On a summer night, I could hear the cry of the Hachijō cicada.

The International System of Units is a system of units commonly used worldwide.

In order to solve this quantum mechanics problem, we need to find the eigenfunction.

Alkaline earth metals are one of the main components of the earth's crust.

The phone rang in the middle of the night.

Alternating hot-cold baths have the effect of improving blood circulation in the body.