石油价格降到了每桶9元。

Oil prices fell to $9 a barrel.

《牛津词典》

在危机时期，每桶石油价格在20元至40元之间波动。

During the crisis, oil prices fluctuated between $20 and $40 a barrel.

《牛津词典》

1999年，油价徘徊在每桶16美元左右。

In1999, the price of oil hovered around $16 a barrel.

youdao

We've seen the price of oil, lately, move all over the map. It went up to $100 recently and it was just as late as late 1990s that it was under $20 and people just don't know where it's going to go.

我们都能看到现在石油的价格，一路飙升，最近达到每桶一百美元,而在上世纪九十年代末,每桶石油还不到二十美元0,人们根本无法预想石油价格,还会飙升到什么地步。

耶鲁公开课 - 金融市场课程节选