I often enjoy bird watching in the park on weekends.

I heard the beautiful song of a songbird in the park.

Observing birds is one of my hobbies.

This beautiful 'Kanaotori' has the same meaning as 'Etopirika'.

The penguin lives in Antarctica.

The Oniwaban was in charge of information gathering and security during the Edo period.

I found a measuring worm in the park.

He experienced the true meaning of the phrase 'the searcher becomes the searched'.

Trinitrotoluene is a compound often used in organic chemistry.

He walks down this street to go to school every day.