The recessed middle part是什么意思？

• lesson
• approaches
• brat
• algiers
• 来源英语
• erased
• 纪念品英语
• 实施英文
• silver
• lake
• monitor
• BARRIE
• PEGGING
• fiercely
• client
• narrow
• various
• 局外人英文
• 流浪者英文
• giraffe
• passage
• 分配英文
• saturday
• autumn
• profile
• lycopene
• droplets
• 参数英文
• default
• amazing

• tourist
• crayon
• cloud
• juice
• conflict
• firmness
• peeping
• emergency
• aspect
• organizations
• 导师英文
• general
• bothering
• intermission
• 方案英语
• ultra
• giraffe
• chess翻译
• front
• supper
• predict
• prompt
• PAXLOVID怎么读
• committing
• 队长的英文
• passage
• permitted
• toxicity
• neck
• banger

• Cat City
• Reliable things
• migrant worker
• red ball
• I was so busy
• curved backward
• bonding capacity
• Crab Converse Cidae
• Unmated
• Scoom
• opportunist
• astrometric
• Leeder
• infundibuliform
• a flight of ambition
• rheumatismal
• a wicked monster
• outer garment
• spiritoso