名词
中文翻译：大流行病
同义词：
['epidemic', 'pandemic']
例句：
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1.The COVID-19 pandemic has affected millions of people worldwide.
COVID-19大流行病已经影响了全球数百万人。
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2.The government is working hard to contain the spread of the virus.
政府正在努力控制病毒的传播。
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3. Many countries have declared a state of emergency due to the pandemic.
由于大流行病，许多国家宣布了紧急状态。