triple vaccine

例句：

1. 1. The triple vaccine is a highly effective vaccine for children.
   三联疫苗是儿童高度有效的疫苗。
2. 2.The triple vaccine has been proven to be safe and effective in preventing the disease.
   三联疫苗已被证明在预防该疾病方面既安全又有效。
3. 3. The triple vaccine is recommended for children under five years old.
   三联疫苗推荐给五岁以下的儿童接种。