磨刀

• They ground the knife on a grindstone
  他们在磨刀石上磨刀子。
• Or a knife set and a sharpener . sharpening ' s very important
  或者是那套厨刀和磨刀石。磨刀很重要的。
• If blondeau sharpened his knife , the monkey sharpened it after him
  如果布朗杜磨刀，猴子随后也会磨刀。
• Automatic microtome knife sharpener
  切片机刀自动磨刀机
• He whetted his knife on the stone
  他在石头上磨刀。
• For a long while after that petya sat quiet , listening to the sounds
  随后，彼佳默不作声，他听着磨刀的声音。
• This machine cost me a full week s work to bring it to perfection
  我花了整整一个星期，才把这个磨刀机器做好。
• Automatic microknife sharpener
  显微刀自动磨刀机
• Knife grinding machines - parameters
  磨刀机参数
• Knife grinding machines - accuracy
  磨刀机精度