Aito won a prize in an essay contest.

Nuclear fission is a powerful process that generates energy.

He is an expert in nuclear physics.

He said 'friend' as a noun ending for me.

Yu helped me with my homework.

He blushed, feeling a sense of shame.

He is involved in the development of androids.

His eyeballs are blue and beautiful.

He said 'thank you'.

By conducting this experiment, we will verify our hypothesis.