He suddenly declared war.

He declared war against the enemy country.

The koala is a symbolic animal of Australia.

The Tasmanian Devil, a species unique to Australia, has a very aggressive nature.

This old operational amplifier still works accurately.

The siamang resonates the forest with its distinctive voice.

You can also listen to this movie in English with the secondary audio.

He is working as an assistant director in a film.

I decided to send a reply to my friend using a postcard with a reply card attached.

I saw a common brushtail possum in the park.