This species has different characteristics depending on its subgroup.

This airplane flies at subsonic speed.

I learned about the reaction of nitrous acid in chemistry class.

Hypochlorous acid is a hypo compound of chlorine.

Will you marry me?

"Do you want to have a meal? Take a bath? Or choose me?" she said jokingly.

She used to be a prostitute, but now she has started a new life.

He was hiding the fact that he was an illegitimate child.

I'm sorry, but I don't speak Japanese.

I'm a Muslim, so I fast during Ramadan.