hydrocarbon of ethylene serise

例句：

1. 1.The petroleum industry relies heavily onthe extraction of hydrocarbons.
   石油工业严重依赖碳氢化合物的提取。
2. 2. Themolecule is composed of carbon and hydrogenatoms bonded together in a hydrocarbonchain.
   这个分子由碳和氢原子以碳氢链的形式结合在一起。
3. 3. The discoveryof new hydrocarbons has sparkedinterest in their potential applications.
   新碳氢化合物的发现激发了对其潜在应用的兴趣。