Organization of petroleum-exporting countries
un. 石油输出国组织
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
a. 输出的；出口的
国家（country的复数）
🗣️ 情景例句
Nobody denies the convenience of living in town.
没有人会否认都市生活的便利。
I got 4 oranges.
我拿了四个桔子。
His father told everybody that Eric had been killed in action.
他的父亲告诉大家，埃里克在战争中被打死了。