The airplane lost altitude rapidly due to the downdraft.

I am majoring in parasitology at university.

He is an expert in parasitology and conducts many researches.

I was born and raised in Brooklyn.

Regular verbs are relatively easy to learn.

An imaginary unit is an important concept in mathematics.

His music is very avant-garde, and some people might not understand it.

Mr. Kaiboku is my best friend.

The key visual of this movie has been released.

When he opened the supernatural 'box', an unknown power was released.