leapfrog method是什么意思？

• failure
• disappointed
• reveal
• bombarded
• fiercely
• passage
• explore
• polite
• 领域英语
• intermission
• predict
• droplets
• narrow
• 解决方案英文
• organizations
• toxicity
• brat
• 局外人英文
• pear
• lycopene
• searches
• 造型的英文
• default
• erased
• searches
• giraffe
• modernize
• rice
• 参与者英文
• 实施英文

• 队长的英文
• scared
• front
• 缺陷英文
• 导师英文
• volume
• neck
• panicked
• bothering
• 方案英语
• tomato
• 纪念品英语
• maths
• firmness
• 确认英文
• mind
• 参数英文
• silver
• client
• 旋律的英文
• crayon
• theatre
• aspect
• lake
• peeping
• lesson
• ticket
• banger
• cloud
• algiers

• It becomes stable
• AlphaTauri
• military might
• Rx
• razor strop
• aalp
• merchant shipper
• transvaluation
• Responses were made
• Aruna
• living space
• MBEs
• hydroxyl apatite
• rush to complete
• Unexpected setbacks
• law officer
• call for bids
• More extensive
• political system
• Small eyes thin skin
• Make rot smelly
• a daughter of Momus