grinding material是什么意思？

• crayon
• passage
• panicked
• sweater
• fake
• brat
• repeat
• 纪念品英语
• 领域英语
• lake
• searches
• 队长的英文
• erased
• lesson
• algiers
• 解决方案英文
• BARRIE
• conflict
• modernize
• various
• emergency
• lycopene
• 分配英文
• giraffe
• polite
• organizations
• front
• volume
• searches
• prompt

• dragon
• 参与者英文
• fiercely
• text
• narrow
• intermission
• failure
• 造型的英文
• droplets
• ticket
• giraffe
• chess翻译
• disappointed
• 来源英语
• begins
• candy
• ultra
• permitted
• monitor
• silver
• 抛弃英文
• neck
• general
• 参数英文
• pear
• juice
• default
• firmness
• tourist
• explore

• acquaint
• acquaintance
• acquaintanceship
• acquainted
• acquiesce
• acquiescence
• acquiescent
• acquiescently
• acquire
• acquired
• acquirement
• acquirer
• acquiring
• acquisition
• acquisitive
• acquisitively
• acquisitiveness
• acquit
• acquitt
• acquittal
• acquittance
• acquitted
• acracholia
• acraldehyde
• acramine
• acrandrous
• acrania
• acrasia
• Acrasiales
• acrasin