This lumen is a path for blood to flow.

This cavity is very narrow.

The Indo-European languages are some of the most widely spoken in the world.

The Austronesian languages are one of the most widely distributed language families in the world.

The Austroasiatic languages, including Vietnamese and Khmer, are a language family that includes many languages.

His artwork possesses an unworldly beauty.

He chose to rise above daily life and devote himself to spiritual pursuits.

I saw a water rail in the park pond.

My friend came from the Commonwealth of Puerto Rico.

Carnivorous animals, such as lions and tigers, are mainly included in the Carnivora.