名词
中文翻译：刀片
同义词：
['saw blade', 'knife blade']
例句：
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1.He used a butterfly knife to cutthe cake.
他用蝴蝶刀切蛋糕。
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2. Thechef carefully sharpened his knife blade beforeeach meal.
厨师在每顿饭前都仔细磨利他的刀。
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3. Theold man kept his knifeblade oiled to prevent rust.
老人把刀油得滑滑的，以防生锈。