名词
中文翻译：疫苗测试
同义词：
['vaccine trial', 'vaccine test', 'vaccine evaluation']
例句：
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1. Thecompany is conducting a vaccine test to determine its effectiveness.
该公司正在进行一项疫苗测试，以确定其有效性。
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2. The vaccine test results were released today, showing promising signs of protection.
疫苗测试结果今天发布，显示出保护的有希望的迹象。
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3.The government is considering expanding the vaccine test protocol to include more people.
政府正在考虑扩大疫苗测试协议，以包括更多的人。