gaseous tube

例句：

1. 1. The atmosphere is filledwith gases from the burning fire.
   燃烧的火焰充满了大气中的气体。
2. 2. The balloonwas filled with gaseous helium.
   气球里充满了气体氦气。
3. 3. Gaseousmolecules are constantly moving and collidingwith each other.
   气体分子不断移动和相互碰撞。