underperforming是什么意思？

• lesson
• 确认英文
• disappointed
• monitor
• fake
• begins
• passage
• various
• candy
• profile
• searches
• lake
• PEGGING
• 实施英文
• tourist
• algiers
• 参与者英文
• 导师英文
• crayon
• modernize
• ticket
• committing
• 权限英文
• text
• toxicity
• silver
• giraffe
• explore
• 造型的英文
• searches

• general
• volume
• panicked
• vehicle
• client
• 方案英语
• 抛弃英文
• peeping
• 流浪者英文
• polite
• ultra
• organizations
• scared
• approaches
• fiercely
• autumn
• default
• saturday
• 纪念品英语
• cheese
• giraffe
• aspect
• 分配英文
• passage
• supper
• droplets
• 缺陷英文
• theatre
• lycopene
• emergency

• aircleaner
• aircondenser
• aircondition
• airconditioned
• aircraft
• aircraftman
• aircrew
• airdent
• airdox
• airdreadnought
• airdressing
• airdrome
• airdrop
• Airedale
• airer
• airfast
• airfield
• airflow
• airfoil
• airfone
• airforce
• airframe
• airfreight
• airfreighter
• airglow
• airgraph
• airhead
• airheater
• airhole
• airhood