Light sent into the oil layer was confined there, bouncing between the metal and air boundaries. The beam spread out ever more quickly, generating a trumpet-shaped glow (see image).

当把光传入油层后，就被约束在那里，光线在金属和空气的边界之间不断反弹，于是产生了喇叭状的辉光(见图片)。

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Ordos basin is the second depositional basin and significant resource base in China. It is characteristic of widespread, mass oil-bearing stratum, great oil layer thickness and so on.

鄂尔多斯盆地是我国第二大沉积盆地和重要的能源基地，油气资源丰富，具有油气分布广、含油层段多、油层厚度大等特点。

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Budate buried hill reservoir is the main oil layer of Sudeerte oilfield in Hailar Basin.

布达特潜山储层是海拉尔盆地苏德尓特油田的主力油层。

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However,brown rice does not last as long as white rice because of the oil-rich layer of bran.

VOA: special.2010.06.30

Because of the oil-rich bran layer, it spoils quickly if not refrigerated or stored in vacuum-sealed bags.

VOA: standard.2010.06.25

Zhong Yu of Greenpeace told the BBC's Chinese service there was a heavy layer of oil covering the coastline.

BBC: China oil spill after pipe blast 'worse than thought'

The tube, coated with heat-trapping layers of ceramics and metals, cooks a surrounding layer of oil to 750 degrees Fahrenheit.

FORBES: Light And Heat

Plank's son Roger, 42, who serves as chief financial officer, keeps a reminder of those days on his desk: a small vial of foul-looking water with a thin layer of crude oil on the top.

FORBES: Dry powder