If you're interested in a folding blade knife, examine the pivot point thoroughly.

如果你对折刀感兴趣，检查在刀子开合的时候承受力的转轴。

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The blade of the knife glinted in the darkness.

刀刃在黑暗中亮了亮。

《牛津词典》

Use this knife to chop, slice and mince; the side of the blade can be used for crushing garlic and some spices.

用这刀剁碎、切片或切碎物体；刀片侧面可以用于压碎大蒜和一些香料。

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Doctors in Canada have removed a knife blade from a man's back more than three years after he was stabbed in a fight.

BBC: Knife taken from Billy McNeely's back after three years

The swish of the knife blade.

NPR: Excerpt: 'Killer Weekend'

Audetat also found a foldable knife with a 4-inch blade in Loughner's front pocket.

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