形容词
中文翻译：锋利的
同义词：
['sharp', 'keen', 'pointed', 'acute']
例句：
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1. The knife is sharp enough to cut through a piece of steel.
这把刀足够锋利，能切断一块钢。
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2. His sharp mind helped him solve the difficult problem.
他敏锐的思维帮助他解决了这个难题。
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3. She sharpened her knives before dinner.
她在晚餐前磨利了她的刀。