"I have a bread knife, you know," she said. "Somewhere."

你知道，我有把面包刀，放在某个地方。

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The long serrated knife is often called a bread knife because it is particularly good for slicing breads that require a back and forth sawing motion.

长齿刀经常被称为面包刀，因为人们在切面包时需要前后锯着切面包，长齿刀很适合这个工作。

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With a bread knife Miss Martha quickly made a deep slash in each of the stale loaves, inserted a generous quantity of butter, and pressed the loaves tight again.

玛莎小姐迅速地在两条面包上分别深深地切了一刀，慷慨地加进了好多黄油，然后再把面包压实。

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Mr Golding, who had become father a fortnight before the tragedy, was stabbed with a bread knife when he caught the heroin addict burgling his home in Erdington, Birmingham.

BBC: Prisoner found hanged in cell

The serrated bread knife cuts with a sawing motion instead of a downward force, keeping your sandwich from getting smooshed.

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