名词
中文翻译：倒刺
同义词：
['counterprick', 'counterstab例句：1. The knife had a countersink in the handle to make it easier to grip.（这把刀手柄上有倒刺，便于握持。）']
例句：
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1. The knife had a countersink in the handle to make it easier to grip.
这把刀手柄上有倒刺，便于握持。
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2.The wound was deep and needed stitches to stop the bleeding.
伤口很深，需要缝合止血。
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3. The soldier used a countersink to pierce his enemy's armor.
士兵用倒刺穿透了敌人的盔甲。