双语例句原声例句
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So, this just shows as the vaccine was distributed, given to more people, that prevalence of the disease dropped dramatically.
因此,这表明随着疫苗的推广,以及接种人数的增加,该疾病的患病率显著降低
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For example, what if you could make a hepatitis vaccine that was good in one shot instead of three shots?
比方说,如果你研制的一种肝炎疫苗,只需接种一次,而不是三次会怎么样
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You can't go to school in this country, and in many countries, until you've had your prescribed set of vaccinations.
在我国,接种规定的疫苗之前,许多国家也一样,你都不能去上学
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