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来源:雅诚德英语网
Eradication requires reaching children in the few areas where the virus still circulates and vaccinating all children under the age of 5.
根除需要在该病毒仍然传播的少数地区接触到儿童和预防接种所有5岁以下儿童。
Eradication requires reaching children in the few areas where the virus still circulates and vaccinating all children under the age of 5.
根除需要在该病毒仍然传播的少数地区接触到儿童和预防接种所有5岁以下儿童。