“毒气的”的英语可以翻译为：mephitical，miasmal，miasmatic ...

铁幕背后,他们正在不断获取关于研究神经过敏-毒气的方法.They're receiving information about the nerve - gas formula from behind the Iron Curtain.荧绿之毒, 召唤绿色致命毒气的魔法.Green poison, invoke the sorcery of green fatal poisonous gas.但他们同时也制造了在当时是毒气的气体...