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.

In the old days, samurais always had to be in the vicinity of their lord.

He likes to write short stories.

I draw my eyebrows using an eyebrow pencil.

Penguins live in Antarctica.

We will use pentane in this chemistry experiment.

Her fluttering movements were just like a butterfly.