• 1. grinding bones: 条骨 | 扁骨

• 1.The utility model discloses a universal drilling dynamic hand machine which is mainly used for grinding, drilling holes, cutting, etc. to bones in surgical operations.
  本实用新型公开了一种通用钻动力手机，它主要用在外科手术中对骨骼进行磨削、钻孔、 切割等。
  dict.yoduao.com
• 2.They are fierce fighters and have plenty of sharp teeth for chewing flesh and grinding up bones.
  他们是凶猛的斗士，有很多锋利的牙齿嚼肉、咬碎骨头。
  dict.yoduao.com

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