fire gases

例句：

1. 1.The fire gases were so intense that they could be seen from a distance.
   火焰气体如此强烈，以至于可以远距离看见。
2. 2.The fire gases are dangerous and should be handled with care.
   火焰气体是危险的，应该小心处理。
3. 3. The fire gases were responsible for the destruction of the building.
   火焰气体导致了建筑物的毁灭。