Petrodollar
n. 石油美元
📖 牛津释义
petrodollar
n
US dollar earned by a country that exports petroleum 石油美元（国家出口石油所得的美元）.
🗣️ 情景例句
She is busy now.
她正忙着呢。
We used to go to the movies about once a week.
我们过去常一个星期大约去看一次电影。
There're usually a lot of parties on New Year's Eve.
除夕之夜有很多晚会。