英语词汇“ring vaccination”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	ring vaccination
释义	ring vaccination riŋˌvæksəˈneɪʃən 基本英英包围接种 Noun: administering vaccine only to people in close contact with an isolated infected patient; prevents the spread of a highly infectious disease by surrounding the patient with a ring of immunization
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