The culture of the Korean Peninsula is very unique, and its history dates back to ancient times.

What art thou doing?

Hajime became father.

Mr. Kutsuna is a famous film director.

The central processing unit of this computer is very fast.

The Mediterranean monk seal is listed as an endangered species.

He said, 'The advantages of heaven and earth are nothing compared to the harmony among people,' emphasizing the importance of teamwork.

In chemistry class, I learned about alkanes.

Alkynes play a very important role in organic chemistry.

Alkenes, also known as olefin hydrocarbons, play an important role in organic chemistry.