Sudan convened earlier this month nine neighbouring countries to discuss cross-border immunization coordination.

苏丹在本月早些时候与9个邻国举行会议讨论跨界免疫协调工作。

youdao

Sudan convened earlier this month nine neighbouring countries to discuss cross-border immunization coordination.

苏丹在本月早些时候与9个邻国举行会议讨论跨界免疫协调工作。

youdao