动词短语中文翻译
中文翻译：磨刀
同义词：
['磨刀石，磨刀器例句：1. He always sharpens his knife before cooking.（他做饭前总是磨刀。）']
例句：
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1. He always sharpens his knife before cooking.
他做饭前总是磨刀。
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2.The chef uses a special stone to sharpen the chef's knife.
厨师使用一种特殊的石头来磨厨师的刀。
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3.The old man used to sharpen his knife every day for his work.
老人以前每天磨刀为他的工作时。