名词
中文翻译：Unknown
同义词：
['vaccine', 'vaccine例句：1. The caprinized vaccine is a highly effective vaccine against smallpox.（牛痘疫苗是预防天花的高效疫苗。）2. The caprinized vaccine has been shown to be safe and effective in clinical trials.（牛痘疫苗在临床试验中已被证明是安全有效的。）']
例句：
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1. The caprinized vaccine is a highly effective vaccine against smallpox.
牛痘疫苗是预防天花的高效疫苗。
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2. The caprinized vaccine has been shown to be safe and effective in clinical trials.
牛痘疫苗在临床试验中已被证明是安全有效的。
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3. The caprinized vaccine is widely used in developing countries as a preventative measure against smallpox.
牛痘疫苗在发展中国家被广泛用作预防天花的措施。