back-number是什么意思？

• bombarded
• panicked
• droplets
• modernize
• 领域英语
• amazing
• passage
• vehicle
• giraffe
• ultra
• approaches
• peeping
• begins
• bothering
• 方案英语
• lake
• front
• 参数英文
• sweater
• 呼吁英语
• candy
• 缺陷英文
• supper
• ticket
• 实施英文
• brat
• 权限英文
• theatre
• 来源英语
• pear

• 造型的英文
• failure
• crayon
• 旋律的英文
• firmness
• 解决方案英文
• general
• tourist
• prompt
• organizations
• saturday
• aspect
• committing
• scared
• monitor
• erased
• searches
• 参与者英文
• satisfaction
• toxicity
• client
• polite
• predict
• giraffe
• narrow
• various
• maths
• reveal
• PEGGING
• lycopene

• TNT
• nitroglycerine
• skiddy
• tottery
• imperiled
• mortiferous
• lethiferous
• more perilous
• perilously
• most perilous
• unsafest
• unsafer
• most precarious
• more precarious
• injunctive
• forbiddingly
• crazzed
• ungovernable
• most violent
• more violent
• wih
• riskiness
• riskier
• riskily