形容词
中文翻译：敏锐的
同义词：
['sharp', 'keen', 'acute']
例句：
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1. The scientist's observations were acutely perceptive.
这位科学家的观察非常敏锐。
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2. His criticism was acute, but his suggestions were not practical.
他的批评很尖锐，但建议不实用。
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3. The artist's sketches are acutely detailed.
这位艺术家的素描非常细致。