Dubnium is one of the elements on the periodic table.

He is majoring in civil engineering.

Duma's works are very moving.

The mountain caused a landslide due to the heavy rain last night.

I took a painkiller because I had a severe headache.

He completed the project on his own effort.

The police caught the thief.

He put a band-aid on his knee.

My dream is to visit the German Democratic Republic someday.

I bought a new headphone.