名词
中文翻译：刮胡刀
同义词：
['剃须刀，刮胡器例句：1. He needs to get his pre-shaving hob sharpened before he shaves.（他在刮胡子前需要把剃须刀磨锋利。）']
例句：
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1. He needs to get his pre-shaving hob sharpened before he shaves.
他在刮胡子前需要把剃须刀磨锋利。
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2.The old man used to use a pre-shaving hob for shaving.
这位老人过去常用一个刮胡刀来刮胡子。
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3. I bought a new pre-shaving hob for my dad's birthday.
我为爸爸的生日买了一个新的刮胡刀。