The 'ro' in robot comes from the Roman letter 'ro'.

He is studying the history of the Soviet Union.

He hates losing points in the game.

He hurried down the dark alley.

What is the current state of Nichiro relations?

His proposal is just an armchair theory, without considering the actual situation.

His proposal is not a practical solution, it's just an armchair theory.

His conclusion is always clear and persuasive.

He said he's 'roha' today, so he's staying at home and taking it easy.

He finally arrived at his destination after a long journey.