Ocoa
abbr. Organismo Coordinador de Operaciones Antisubversivas (Spanish=Coordinating Organism of Antisubversive Operations) （西班牙語）反顛復活動合作組
??? 情景例句
you can wash the dishes and clean up after dinner.
你就在晚餐后洗盤子和收拾桌子。
Please don't snack; you will ruin your dinner.
請別吃點心了，你會對正餐失去胃口的。
What will be the population of these countries by the end of the twentieth century?
到20世界末較發達國家的人口將是多少？