The first cases took place at the border of three post-conflict impoverished countries that didn't have a very good public health infrastructure.
第一批病例发生在冲突后的三个贫穷国家的边界,这些国家没有良好的公共卫生基础设施。
词典释义:
公共卫生基础设施
The first cases took place at the border of three post-conflict impoverished countries that didn't have a very good public health infrastructure.
第一批病例发生在冲突后的三个贫穷国家的边界,这些国家没有良好的公共卫生基础设施。
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