He is using a drone to take aerial photographs.

Understanding the concept of exergy is important for maximizing energy efficiency.

The umpire declared a balk on the pitcher.

You shouldn't tell him secrets because he has a loose tongue.

He is playing the character of Kyu in the play.

That building is at risk of collapse due to aging.

The stem of this flower is very long.

Quark cheese is a traditional German food.

An arc discharge occurs when electricity passes through the air.

The Okinawa rail, known as the Yanbaru Kuina in Japanese, is a species endemic to Okinawa Prefecture and is designated as an endangered species.