He is an expert in paleozoology and has a deep knowledge about the ecology of dinosaurs.

He has a deep interest in paleozoology.

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

We should always remember the power of Kannon in difficult times.

Old Church Slavonic is the oldest recorded language of the Slavic group.

Old Church Slavonic is the first language written by the Slavs.

Kuroko's Basketball is my favorite anime.

I heard the sound of a steam whistle from afar.

He spilled a drop of coffee on the table.

I decided to celebrate her birthday.