1.  gnash
2.  gear cutting

• 1. 切齿: incisors | gear cutting | chomp | cutting tooth
• 2. 切齿深度: depth of cut
• 3. 切齿机: gear cutting machine | wheel cutting machine | tooth cutting machine | machine gear cutting

更多释义

• 1.“住手！”他咬牙切齿地说。
  'Stop it!' he said through gritted teeth.
  dict.yoduao.com
• 2.他要是听说我们丢了这份合同，准会气得咬牙切齿。
  He'll be gnashing his teeth when he hears that we lost the contract.
  dict.yoduao.com
• 3.如果你两场音乐会都去不了而为此咬牙切齿的话，别绝望。
  If you couldn't attend either of the concerts and are currently gnashing your teeth at having missed out, don't despair.
  dict.yoduao.com

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