The first step in pressing the oil from seeds is to crush the seeds between two stones.

VOA: special.2009.09.29

First you've got the mono and saturated oil that we discussed before.

首先它主张以不饱和脂肪摄入为主,我们前面已经讨论过不饱和脂肪的问题

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

In nineteen thirty-eight, Adair got his first oil-related job with the Otis Pressure Control Company.

VOA: special.2009.03.22

One of the first trusts was formed by John D.Rockefeller in the oil industry.

VOA: special.2010.06.03

The first was a huge oil spill off the coast of Santa Barbara,California.

VOA: special.2010.04.21

"Other than that it was driving rain the first day." Crews visually scan for ribbons and sheets of oil.

VOA: standard.2010.07.05

"Oil prices for the first six months of this year are roughly what they were in the year 2006, a boom year for Venezuela.

VOA: standard.2010.08.06

The first trap shows no signs of oil, only mud stirred up by recent storms.

VOA: standard.2010.05.06

BP stopped the oil from billowing into the Gulf on Thursday, for the first time since the Deepwater Horizon oil rig exploded on April 20, killing 11 workers.

VOA: standard.2010.07.16