形容词
中文翻译：尖锐的
同义词：
['severe', 'acute', 'sharp']
例句：
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1. The pain in his chest was acute.
他的胸痛是急性的。
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2. The disease is acute and requires immediate treatment.
这种疾病是急性的，需要立即治疗。
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3. The wound is acute and needs to be cleaned and dressed immediately.
伤口是急性的，需要立即清洗和包扎。