... immunize against 使免除 immunize system only 只免疫系统 immunize sb.against 使某人对……有免疫力 ...
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"GAVI's goal over the next five years, by twenty-fifteen, is to immunize millions more children and save an additional four million children's lives, purely by providing basic vaccines against diseases that are basically almost non-existent in rich countries, as well as providing new vaccines against pneumonia,diarrheal diseases and then hopefully HPV and some other vaccine-preventable diseases."
VOA: special.2011.06.15
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