methagen

例句：

1. 1.The chemistry of methane is a fundamental topic in the study of natural gas.
   甲烷的化学是天然气研究的基础主题。
2. 2.The production of methane is a major source of energy for many industries.
   甲烷的生产是许多行业的主要能源来源。
3. 3.Methane is a colorless, odorless gas that can be harmful if released into the atmosphere.
   甲烷是一种无色无味的气体，如果释放到大气中可能会造成伤害。