flame gas

例句：

1. 1.The firefighters were trying to contain the flame gas.
   消防员们试图控制火焰气体。
2. 2.The explosion caused a large amount of flame gas to be released into the air.
   爆炸导致大量的火焰气体被释放到空气中。
3. 3.The flame gas was so intense that it could be seen from a distance.
   火焰气体如此强烈，以至于可以从远处看到。