名词
中文翻译：流行病
同义词：
['infection', 'disease']
例句：
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1.The epidemic has spread rapidly across the country.
这场流行病迅速在全国范围内传播。
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2. Doctors are working tirelessly to combat this epidemic.
医生们正努力不懈地对抗这场流行病。
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3. Many people have been infected by the virus and are now in quarantine.
许多人已被病毒感染，正在隔离中。