Hydrocarbon An organic compound that contains carbon and hydrogen only, e.g. acetylene, butane. Many of the components of natural gas, petroleum, and coal are hydrocarbons.

• 烃，碳氢化合物：仅含碳和氢的有机化合物，如乙炔、丁烷、天然气、石油和煤中的很多成分是碳氢化合物。