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
and they're so kind to me.
他们对我真好。
The feature started at 9 o'clock and ended at 11:30.
放映在9点钟开始了并且将在11:30结束了。
How long are you planning to stay over here?
你打算在这里呆多久？