Abstract: Is a "double-edged knife" is a kind of multifunctional kitchen knife blade two.

正文快照： “双刃菜刀”是一种两个刀刃的多功能菜刀。

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Explain the value of a really sharp point and edge, the latter, particularly with a double edged knife, being as much to prevent the knife from being seized as for slashing.

解释真正锋利的刀尖和刀刃的价值，后者，尤其对于双刃匕首来说，可以用削划在很大程度上防止对手抓刀。

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The knife blade angle is small, when cutting labor. The axe blade angle is larger. Used to cut bones and other objects, not easy to blunt. The two blade with a knife, a double-edged knife"."

现有菜刀的刀刃角度较小，切菜时省力。斧头的刀刃角度较大。用来砍骨头等物时，不容易钝。

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Iran's Supreme Leader Ayatollah Ali Khamenei has called the Internet a threat to national security and a dangerous double-edged knife that has benefits as well as risks.

WSJ: Cyberattack Hits Iranian PCs

As Wilson tells the story, the Cardinal became so agitated one night, observing a dinner guest pick his teeth with the double-edged knife still in use, that he ordered blunt knives for his household.

NEWYORKER: A Fork of One��s Own

It was the tou the wide, well-honed, flat-edged whacker of a knife that Chinese cooks used for everything from butchering to dicing and fine slicing and the chopstick, which, in the Song era, came into common use.

NEWYORKER: A Fork of One��s Own