您要查找的是不是：
- They contrived a mask against poison gas. 他们设计了一种防毒面具。
- Cars give off much poisonous gas every day. 汽车每天释放出很多有害气体。
- Plastic will give out poisonous gas when burned. 塑料燃烧时散发出有毒气体。
- The burning plastic gave off a poisonous gas. 燃烧的塑料放出一种有毒的气体。
- Foul or poisonous gas that sometimes pollutes the air in coal mines. 矿井瓦斯，有毒气体矿井中有时污染空气的恶臭气体或有毒气体
- The enemy went so far as to use poison gas. 敌人居然使用了毒气。
- They were dispatched by poison gas. 他们死于毒气。
- Room in which a convict prisoner is executed by poisonous gas. 用毒气将被定罪囚犯处死的房间。
- Green poison, invoke the sorcery of green fatal poisonous gas. 荧绿之毒，召唤绿色致命毒气的魔法。
- Bombs and poison gas would rain down on undefended cities. 炸弹毒气弹纷纷投向那些没有防御的城市。
- He pressed a mask to his face swiftly to avoid any poisonous gas. 他快速地把一个面罩压在脸上以免吸入有毒气体.
- Arsine is a colorless, poisonous gas that requires careful handling. 胂是一种无色的有毒的气体,需要小心地对待。
- When people are attacked by the poison gas, they cannot breathe. 当人们遭到毒气袭击时,他们无法呼吸。
- The poisonous gases will do harm to us all. 这些有毒气体对我们有害。
- But plastics and rubber never rot. If they are burned, they give off poisonous gases. 但是，塑料和橡胶却从不腐烂。如果把它们烧掉，就会发出有毒的气体。
- But, unlike any other geyser, this one erupted with a poisonous gas. 但是，这个间歇泉不像其它间歇泉，它喷发的时候毒气也一起冲起来。
- These chemicals can emanate certain poisonous gases. 这些化学药品会散发出某些有毒的气味。
- Hazard properties: Non-inflammable, emits poisonous gas by high temperature. 危险特性:本身不能燃烧。受高热分解放出有毒的气体。
- The police used poisonous gas to force the robbers out of the house. 警方施放了毒气弹，把劫匪逼出了屋子。
- Will some poison gas, waste water or solid waste be released from your project? 您的项目向外界排放废气、废水或者废渣吗?
