Dollar earnings of opec countries
[经] 石油输出国的美元收入
🧩 词语组成解析
dollar
['dɑlɚ]
n. 美元;一元纸[硬]币;金钱;财富;
earnings
['ɝnɪŋz]
n. 收入，所得;工资，报酬;收益，利润;
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];
欧佩克(石油输出国家组织)
国家（country的复数）
🗣️ 情景例句
Yes?
是吗？
Generally speaking, a contract cannot be changed after it has been signed by both parties.
一般来讲，合同一经双方签订就不得更改。
It's our favourite subject of conversation.
天气是我们最喜欢谈论的话题。