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
Make a right at the stop sign.
就在停车再开标志那里向右拐。
It's about seventy degrees Fahrenheit this afternoon.
今天下午的温度大约70华氏度。
As the parents had five children, life was a perpetual struggle against poverty.
家里已有5个孩子，全家人常年在贫困中挣扎。