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
Do you have a children's menu?
你们有儿童菜单吗？
Let me think it over,and I'll let you know later.
让我考虑一下，回头再告诉你吧。
It was half past four. Everything was ready.
一切都准备好。