动词
中文翻译：使尖锐
同义词：
['acute', 'sharpen']
例句：
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1.The chef aculeated the knife to make it more precise.
厨师把刀磨尖了以便更精确。
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2.The hunter aculeated his spear to make it more deadly.
猎人把矛磨得更锋利以便更致命。
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3.The artist aculeated her brush to create a finer stroke.
艺术家磨砺她的画笔以便画出更精细的线条。