O-of American States

• 美洲国家组织

O-of American States的用法和样例：

例句

1. Ecuador has called on the Organization of the American States, the OAS, to condemn Columbia for its incursion into Ecuador that killed a leader of the left-wing rebel group FARC.
   要求美国国家组织谴责哥伦比亚对厄瓜多尔的袭击，这一袭击已经造成了反政府组织哥伦比亚革命武装力量左翼领导人被害。