scatterbrain
🇺🇸
/ˈskætərbreɪn/
🇬🇧
/ˈskætəbreɪn/
A person who often forgets or loses things and has a disorganized way of thinking.
She's such a scatterbrain, she can't remember where she put her keys.
彼女はとても心が散っているので、鍵をどこに置いたかを思い出せません。