Although copper and stone tools continued to be used, bronze was far more successful in creating sharp edges that could be used as anything from saws and scythes to weapons.

尽管青铜器和石器还在继续被使用，但青铜在用于制造带有锋利边缘的物件方面要成功得多，这可以应用于从锯子、镰刀到武器等任何东西。

youdao

A small group of women take off the sharp edges to finish off the process.

人数不多的妇女刮去了锋利的毛边，整个制造过程就完成了。

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They touched the sharp edges of his name, carved into the cool metal in austere capital letters.

他们轻轻触碰着那些被刻进冰冷金属里，朴素无华的大写字母锋利的边缘。

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"What we are seeing in Iceland is that as the magma particles get towards the surface, they interact with the very cold water and they chill to form glassy fragments and these glassy fragments are small, they have sharp edges and when those get up in the air that is what is causing the risk to aviation."

VOA: standard.2010.04.15

And Martin Van Buren wanted to be Andrew Jackson, without some of Jackson's sharp edges.

NPR: McCain Walks Fine Line With Bush Legacy

He could not understand people who made drawers, or any other piece of furniture, with sharp edges.

ECONOMIST: Alan Peters

Capture images with radiant colors, low noise and razor-sharp edges, thanks in part to the 16-megapixel CCD sensor.

ENGADGET: Olympus unveils a cavalcade of point and shoot cameras and a PEN lens at CES