What was the origin of the oil which now drives our motor-cars and aircraft? Scientists are confident about the formation of coal, but they do not seem so sure when asked about oil.

现在驱动汽车和飞机的油的起源是什么？科学家对煤的形成一清二楚，然而论及石油时，它们就不那么有把握了。

youdao

The paper, according to the present situations of the oil pollution, introduces the origin, hazard, translation and biodegradation of the petroleum contaminants in seawater.

文章根据海洋油污染的现状，介绍了海洋石油污染的来源、危害、转归以及对污染的生物修复等内容。

youdao

Monoi de Tahiti: it is a soaking of Tiare flowers (Gardenia tahitensis), obtained by enfleurage in coconut oil. There is application origin label to prove authentic.

莫诺伊油：通过椰子油浸泡提亚蕾花获得，将其应用到产品时具有“原产地标志”的认证。

youdao

Halliburton has one main challenger for the title of the world's leading oil-services firm: Schlumberger, which is, ahem, French in origin.

ECONOMIST: The reconstruction business