do sth. which one has done before是什么意思？

• 参与者英文
• supper
• approaches
• monitor
• modernize
• amazing
• bombarded
• 解决方案英文
• banger
• sweater
• ticket
• PEGGING
• lycopene
• predict
• theatre
• narrow
• mind
• profile
• peeping
• PAXLOVID怎么读
• 长颈鹿英语怎么说
• cloud
• repeat
• 旋律的英文
• 分配英文
• 局外人英文
• autumn
• organizations
• begins
• lesson

• satisfaction
• giraffe
• cheese
• front
• juice
• intermission
• pear
• polite
• committing
• aspect
• 领域英语
• maths
• conflict
• ultra
• chess翻译
• 流浪者英文
• lake
• silver
• vehicle
• searches
• disappointed
• toxicity
• client
• saturday
• droplets
• 确认英文
• passage
• searches
• bothering
• 导师英文

• deradenoncus
• deragger
• derail
• derailed
• derailer
• derailleur
• derailment
• derange
• derangement
• derate
• derating
• deration
• deratization
• derby
• Derbyshire
• derealization
• dereeler
• dereference
• dereferencing
• deregulation
• derelict
• dereliction
• derencephalocele
• derencephalus
• derepression
• derequisition
• dereserve
• derganil
• deric
• derichment