名词
中文翻译：保护性接种同义词
同义词：
['protective vaccination']
例句：
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1. The vaccine is designed to protect against the virus.
这种疫苗旨在预防病毒。
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2. The health department recommends annual protective inoculations for children.
卫生部门建议为儿童每年进行一次保护性接种。
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3. The new vaccine has shown promising results in protecting against the disease.
新疫苗在预防该疾病方面显示出了令人鼓舞的结果。