absent-minded
🇺🇸
/ˌæbsənt ˈmaɪndɪd/
🇬🇧
/ˌæbsənt ˈmaɪndɪd/
Someone who often forgets things because their mind is focused on something else.
She's so absent-minded that she left her purse at the store again.
她太心不在焉了,又把钱包忘在商店了。