Micronesia        
noun uk/ˌmaɪ.krəˈniː.zi.ə/ us/ˌmaɪ.krə.kroʊˈniː.ʒə/
 密克罗尼西亚(西太平洋上的一个地区)
a region of the western Pacific that includes many islands and countries such as the Marshall Islands and the Federated States of Micronesia 
  (also the Federated States of Micronesia)密克罗尼西亚(西太平洋上的一个国家) 
a country in the western Pacific formed of four states that include over 600 islands