Radon is a colorless, odorless gas that is a naturally occurring radioactive substance.

You failed the exam, but don't worry about it, let's do our best next time.

I love sushi bowls.

Kan is biting an apple.

He was hit in the head with a blunt weapon.

When spring comes, the young shoots of the trees begin to sprout.

I laughed so hard at that joke, it was hilarious.

Oh, that's right, I remembered what I ate for dinner yesterday.

It's not so much a big problem.

My hound often runs in the park.