He took an attitude as if to mock her choice.

He is tall, perfect for a basketball player.

I have ultra-high-speed internet at my home.

The explosion of a supernova is one of the brightest events in the universe.

I am studying Korean language.

Gojoseon was the oldest dynasty in East Asia.

She was wearing a moonstone necklace.

I have started learning Korean.

Astronomers have reported the discovery of a new supernova.

This rock is mainly composed of albite.