A team from the University of Warwick has built what it calls the world's first completely environmentally friendly Formula Three racing car.

VOA: special.2009.11.03

Lithium has three electrons. If it loses two one remains. What is this formula telling us?

锂原子有三个电子，如果它失去两个,剩下一个，那么这个式子告诉了我们什么？

麻省理工公开课 - 固态化学导论课程节选

It seems like a logical extension of that formula to three assets and you can easily see how to extend it to four or more assets, it's just the logical extension of that.

这样就将前个公式推导为三个资产的情况,显而易见,你们可以将其运用到四个乃至更多资产的情况下，这只是对原始公式一个推导罢了。

耶鲁公开课 - 金融市场课程节选

The race car meets all of the Formula Three racing requirements except for its biodiesel engine.

VOA: special.2009.11.03

Last month, the WorldFirst Formula Three racing car was set to run in its first competitive race at the Formula Three Championship Final at Brands Hatch.

VOA: special.2009.11.03

In test runs,the WorldFirst car was the fifth fastest among Formula Three race cars.

VOA: special.2009.11.03

It would have been the first biodiesel-powered car to race at Formula Three.

VOA: special.2009.11.03

Current Formula Three rules let only gasoline-powered cars compete.

VOA: special.2009.11.03