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.
她真是个心不在焉的人,连钥匙放哪儿都记不住。