gaseous hydrocarbon

例句：

1. 1. The atmosphere is filled with gaseous particles.
   大气中充满了气体粒子。
2. 2.Gaseous molecules are responsible for the formation of clouds.
   气体分子负责形成云朵。
3. 3.The gaseous composition of the atmosphere is crucial to life on Earth.
   大气中的气体组成对地球上的生命至关重要。