增强免疫力儿童 boost immunity children
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增强免疫力儿童
Immune-boosting children
以上为机器翻译结果，长、整句建议使用 人工翻译 。
另外，维生素a的使用增强了孩子们的免疫力，化学处理过的蚊帐预防疟疾，这些都能减少儿童死亡人数。
Also, vaccinating children against measles has saved many lives. So has the use of vitamin a to strengthen children's immune systems, and chemically treated bed nets to prevent malaria.
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