1.  knife edge
2.  cutter point
3.  tool edge
4.  cut
5.  incision

• 1. 刀口: edge | knife edge | Incision
• 2. 钢质刀口: Steel Knife-Edge
• 3. 傅科刀口检验: Foucault knife-edge test

更多释义

• 1.和手术刀形成的刀口一致。
  It's consistent with a scalpel.
  dict.yoduao.com
• 2.他的喉咙血淋淋的，刀口很深，几乎都要被斩首了。
  His bloody throat had been cut so deeply that he was nearly decapitated.
  dict.yoduao.com
• 3.即使身处战场，他依旧仁慈聪慧，绝不在刀口留下心灵的污点。
  His wit in the combat, as gentle as bright, Never carried a heart-stain away on its blade.
  dict.yoduao.com

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