an association including most countries in the western hemisphere; created in 1948 to promote military and economic and social and cultural cooperation
造句
【近義詞】
Organization of American States
美洲國際組織...
常用短語
oasis
oar
Oasa
oases
Oasia
oasea
Oasil
Oasmaa
oases ecological water use
oases ecological water rights
OAS Electoral Observation Mission