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单词 ring vaccination
释义
Ring Vaccination
nnoun.actadministering 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
Hypernyms:inoculating vaccinating
Inherited Hypernyms:ring vaccinationinoculatingprotectionactivityacteventpsychological featureabstractionentity
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更新时间:2025/1/3 18:17:06