The company buys and sells about 600,000 barrels of oil a day.

这家公司一天买卖约六十万桶石油。

《柯林斯英汉双解大词典》

In 1989, Kuwait was exporting 1.5 million barrels of oil a day.

1989年，科威特每天出口150万桶石油。

《柯林斯英汉双解大词典》

Many will think the barrels are barrels of oil in the heart of one of London's oldest parks.

伦敦最古老的公园之一的中心地带放置了一些油桶，很多人会以为这些桶就是那些油桶。

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This week,government scientists raised their estimate of the leak to between thirty-five and sixty thousand barrels of oil each day.

VOA: special.2010.06.19

Their efforts saved millions of barrels of oil.

VOA: special.2009.03.22

That could happen later this month. The government now thinks close to five million barrels of oil leaked into the gulf between April and the middle of July, when the spill was contained.

VOA: special.2010.08.07

When I was elected to this office, America imported 11 million barrels of oil a day.

WHITEHOUSE: Weekly Address: Gas Prices & Energy Security

It is not clear how many barrels of oil are expected to be produced.

FORBES: ConocoPhillips' New Finds Will Boost Outlook Amid Weaker Production

It typically takes 10 to 15 barrels of oil to buy an ounce of gold.

FORBES: What Is Gold Telling Us?