与"herd immunity"相近的词条

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• hercynian
• hercynine
• Herczel's raspatory with elevator
• herd
• herd-average
• herd immunity
• herd infection
• herd instinct
• herd of purple-flowed crotalaria
• herd replacement
• herd sire
• herd size
• herdolues
• herdsman
• here
• Here is your prescription

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