He has a deep interest in paleozoology.

The ecosystem of zoobenthos is an important field of study in marine biology.

The Republic of South Africa is located at the southernmost tip of the African continent.

This letter will be relayed.

This train is a direct service to Ye.

Thunder roared, and lightning ran.

Proto-Indo-European is considered the origin of many modern languages.

His success had a cause-and-effect relationship with his efforts.

Influenza is prevalent, so don't forget to wash your hands and wear a mask.

Phonology is a branch of linguistics that studies the system of sounds and their functions.