naturalgas的解释天然气naturalgas的例句Theycontinueddownuntiltheycametosomepocketsofnaturalgas.他们继续往下钻,终於找到了一些天然气的气阱.Anyofseveralhighlyvolatile,flammableliquidmixturesofhydrocarbonsdistilledfrompetr oleum,coaltar,andnaturalgasandusedasfuel,assolvents,andinmakingvariouschemicals.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
