形容词
中文翻译：像枪刺一样锋利的
同义词：
['sharp', 'keen', 'pointed']
例句：
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1. The knife was so sharp that it could cut through a sheet of paper with ease.
这把刀非常锋利，可以轻松地切穿一张纸。
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2. The spear was pointed at the enemy, ready to strike.
长矛直指敌人，准备攻击。
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3. Her eyes were sharp, able to see through deception.
她的眼睛敏锐，能够识破欺骗。