The recessed middle part是什么意思？

• giraffe
• theatre
• 旋律的英文
• modernize
• volume
• prompt
• tomato
• 参数英文
• candy
• committing
• 参与者英文
• conflict
• 呼吁英语
• 分配英文
• disappointed
• searches
• polite
• 纪念品英语
• organizations
• ticket
• client
• default
• giraffe
• BARRIE
• silver
• text
• 长颈鹿英语怎么说
• begins
• toxicity
• maths

• tourist
• various
• general
• crayon
• mind
• repeat
• bombarded
• 确认英文
• brat
• sweater
• satisfaction
• vehicle
• 局外人英文
• autumn
• panicked
• reveal
• permitted
• 权限英文
• chess翻译
• rice
• dragon
• general
• supper
• aspect
• PEGGING
• 解决方案英文
• bothering
• droplets
• fiercely
• explore

• I is IK
• periodical cycle
• transport plane
• cyclical movement
• TlgI
• The article is short
• cyclical fluctuation