Organization of petroleum exporting countries
石油输出国组织, 欧佩克
🧩 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
What line of work are you in?
你做哪一行的？
I wish you the best of luck in your new venture.
我祝你们的新事业好运。
She was offered a job as a translator, but she turned it down.
有人请她去作翻译，她拒绝了。