periodic fluctuations是什么意思？

• tourist
• volume
• giraffe
• 局外人英文
• 来源英语
• aspect
• rice
• 实施英文
• organizations
• monitor
• peeping
• erased
• lycopene
• default
• passage
• passage
• candy
• sweater
• profile
• juice
• pear
• 流浪者英文
• crayon
• permitted
• BARRIE
• narrow
• banger
• giraffe
• maths
• 解决方案英文

• dragon
• 权限英文
• 造型的英文
• 导师英文
• neck
• firmness
• reveal
• modernize
• 长颈鹿英语怎么说
• bombarded
• predict
• 旋律的英文
• emergency
• general
• cheese
• tomato
• 纪念品英语
• committing
• front
• supper
• 缺陷英文
• theatre
• searches
• vehicle
• explore
• droplets
• failure
• satisfaction
• 队长的英文
• text

• inspissates
• instabilities
• installs
• installments
• instalments
• instanced
• instancing
• instants
• instated
• instating
• instates
• insteps
• instigating
• instigates
• instilling
• instils
• instills
• institutes
• instituting
• instructing
• instructs
• instructors
• instrumentals
• instrumentalists
• insufficiencies
• insufflated
• insufflating
• insufflates
• insulates
• insulators