Or back and forth是什么意思？

• disappointed
• 权限英文
• candy
• droplets
• approaches
• passage
• scared
• saturday
• 方案英语
• 造型的英文
• 抛弃英文
• PEGGING
• vehicle
• general
• giraffe
• 纪念品英语
• various
• reveal
• pear
• satisfaction
• monitor
• neck
• 参数英文
• juice
• BARRIE
• conflict
• algiers
• rice
• aspect
• dragon

• silver
• 解决方案英文
• 分配英文
• intermission
• client
• bombarded
• cloud
• 呼吁英语
• 确认英文
• repeat
• crayon
• explore
• passage
• banger
• cheese
• narrow
• 导师英文
• supper
• failure
• permitted
• amazing
• committing
• toxicity
• ultra
• peeping
• tomato
• firmness
• erased
• begins
• panicked

• manteltree
• mantes
• mantic
• Mantidae
• mantilla
• mantis
• mantissa
• mantle
• mantlerock
• mantlet
• manto
• Mantodea
• mantomycin
• Mantoux
• mantua
• manual
• manually
• manubrium
• manucode
• manuduction
• manudynamometer
• manufactory
• manufacturability
• manufactural
• manufacture
• manufactured
• manufacturer
• manufacturers
• manufacturing
• manumission