retaining ring是什么意思？

• bombarded
• profile
• searches
• peeping
• bothering
• chess翻译
• scared
• tourist
• approaches
• tomato
• lesson
• toxicity
• front
• 呼吁英语
• text
• general
• 旋律的英文
• PEGGING
• theatre
• conflict
• giraffe
• 抛弃英文
• prompt
• 参数英文
• ultra
• cheese
• predict
• crayon
• juice
• searches

• modernize
• 解决方案英文
• droplets
• vehicle
• various
• emergency
• disappointed
• fake
• polite
• 造型的英文
• fiercely
• algiers
• giraffe
• candy
• rice
• repeat
• committing
• 导师英文
• failure
• 来源英语
• panicked
• silver
• autumn
• aspect
• banger
• saturday
• 纪念品英语
• cloud
• permitted
• begins

• disaggrega
• common salt
• aremodern
• excitingas
• apocrustic
• component product
• contracted notation
• Randulph
• kornerupite
• Of the beast
• anmen
• swallowtail
• vibrance
• a lame person
• moisturizing
• span with the hand
• In a superior manner
• classlessness
• more talented
• a thousand li