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
That will do.
那可以。
In every beginning think of the end.
思前顾后。
I must hurry. I want to get home in time to see the football match on television.
我得赶快，我想按时回家，去看球赛。