Gökyüzü yavaş yavaş bulutlandı.
- The sky has gradually clouded over.
Dün Tokyo'da hava bulutlu muydu?
- Was it cloudy in Tokyo yesterday?
Bulutlar gökyüzünde rüzgarla sürüklendi.
- The clouds scudded across the sky.
Bugün gökyüzünde bir sürü bulut var.
- There are lots of clouds in the sky today.
He opened the door and was greeted by a cloud of bats.