gas hydrogen exhaust tower

例句：

1. 1. The car needs gas to run.
   这辆车需要汽油才能运行。
2. 2. Gas is a common fuel for cars and trucks.
   气体是汽车和卡车的常见燃料。
3. 3. Gas is a cleaner alternative to oil.
   与石油相比，天然气是一种更清洁的选择。