move back and forth是什么意思？

• 权限英文
• fiercely
• scared
• 抛弃英文
• 来源英语
• 纪念品英语
• juice
• conflict
• brat
• repeat
• 缺陷英文
• aspect
• giraffe
• giraffe
• explore
• PEGGING
• saturday
• intermission
• profile
• satisfaction
• 流浪者英文
• searches
• candy
• lesson
• bothering
• bombarded
• 解决方案英文
• 参数英文
• tourist
• permitted

• approaches
• various
• peeping
• text
• sweater
• lake
• reveal
• polite
• general
• 实施英文
• ticket
• organizations
• 导师英文
• vehicle
• predict
• default
• crayon
• narrow
• general
• lycopene
• committing
• algiers
• cheese
• dragon
• erased
• panicked
• disappointed
• autumn
• chess翻译
• droplets

• unready
• dikes
• Lifecycli
• Roab
• Rose Road
• readier
• quieter
• rabbiting
• readiest
• recommend to
• essay for
• perpare
• prepare for doing
• rhodeose
• liquidn
• zincn
• imprecious
• disprecious
• sseismograph
• ride meter
• washing tank
• spumescence
• sicker
• sickest
• seed plot