This building was erected last year.

Plans are underway to erect a new building.

He attacked the enemy using a shrapnel.

Sulfurous acid is often used for food preservation.

He is good at playing the ryūteki.

A dinosaur is a type of extinct creature.

Ryukyu music is known for its unique sound.

Finding an asterism is a great joy for astronomers.

Interstellar travel is still a realm of dreams for mankind.

A meteor shower poured down in the night sky, and I was breathless at its beauty.