move back and forth是什么意思？

• passage
• emergency
• algiers
• polite
• begins
• chess翻译
• searches
• disappointed
• bothering
• default
• fake
• general
• theatre
• PAXLOVID怎么读
• lake
• ultra
• organizations
• PEGGING
• banger
• crayon
• peeping
• 缺陷英文
• toxicity
• 导师英文
• dragon
• 呼吁英语
• predict
• explore
• satisfaction
• cloud

• silver
• failure
• pear
• candy
• saturday
• profile
• firmness
• sweater
• cheese
• 流浪者英文
• giraffe
• 确认英文
• lesson
• maths
• neck
• lycopene
• text
• intermission
• BARRIE
• general
• 权限英文
• various
• 解决方案英文
• rice
• 领域英语
• 参数英文
• 局外人英文
• ticket
• droplets
• bombarded

• impositor
• impossibility
• impossible
• impossibly
• impost
• imposter
• impostor
• imposture
• impot
• impotence
• impotency
• impotent
• impotentia
• impotently
• impound
• impoundage
• impoundment
• impoverish
• impoverishment
• impower
• impracticability
• impracticable
• impracticably
• impractical
• imprecate
• imprecation
• imprecatory
• imprecise
• imprecisely
• imprecision