natural gas是什么意思?

natural gas的中文含义详细解释：
天然气
natural gas的列举例句：
They continued down until they came to some pockets of natural gas.
他们继续往下钻, 终於找到了一些天然气的气阱.

Any of several highly volatile, flammable liquid mixtures of hydrocarbons distilled from petroleum, coal tar, and natural gas and used as fuel, as solvents, and in making various chemicals.
石脑油一种高度挥发性的易燃液态碳氢化合物混合物，从石油、煤焦油和天然气中提炼出来，并用作石油、溶剂和制造各种化合物中