lagging behind是什么意思？

• 确认英文
• candy
• supper
• lesson
• tomato
• 参数英文
• 流浪者英文
• giraffe
• conflict
• brat
• 队长的英文
• bombarded
• 解决方案英文
• client
• lycopene
• general
• permitted
• bothering
• amazing
• firmness
• 导师英文
• droplets
• theatre
• banger
• 造型的英文
• searches
• scared
• modernize
• repeat
• front

• sweater
• tourist
• ticket
• cloud
• neck
• maths
• cheese
• passage
• vehicle
• PEGGING
• satisfaction
• autumn
• ultra
• failure
• panicked
• predict
• searches
• crayon
• 呼吁英语
• saturday
• 实施英文
• polite
• 权限英文
• 抛弃英文
• disappointed
• 缺陷英文
• 局外人英文
• pear
• approaches
• erased

• Jack Sprat
• shortie
• a short person
• rosebush
• calcilutite
• extravagant profits
• macrovoid
• foreign country
• Penaeus orientolis
• give a good scolding
• Wild buttercup
• Asspring
• go abroad
• underdress
• overhanding
• ns
• Solanaceae
• theological seminary
• Heya
• a ditch
• turn out to be true
• Globular fine
• chaste and undefiled
• general shop