形容词
中文翻译：敏锐的
同义词：
['sharp', 'acute', 'keen']
例句：
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1. The doctor diagnosed the patient with an acute fever.
医生诊断病人患有急性发热。
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2. She has a keen eye for detail.
她对细节非常敏感。
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3. The sharp contrast between the two colors made the painting more interesting.
两种颜色的强烈对比使这幅画更有趣。