In organic chemistry research, I am thoroughly investigating the characteristics of pendecene.

In organic chemistry class, I learned about the chemical reactions of pentene.

We plan to spend the weekend at the pension.

The shepherd's purse is one of the seven herbs of spring.

I used pentane in a chemistry experiment.

He likes to write short stories.

The sweets made with the old-fashioned recipe are indescribably delicious.

The Mukashi Otoko has become a legend in that village.

Once upon a time, there was a man called the old man of Taketori.

He learned a big lesson from that failure.