| 1. | Phosphine is a toxic gas which ignites spontaneously in air .
磷化氢是一种有毒气体，在空气中可以自燃。 |
| 2. | We bought an apparatus that senses the presence of toxic gases .
我们买了一台能检测出有毒气体存在的仪器。 |
| 3. | Once they are out on the street, the cars will take in air and replace it with poison gases .
汽车一旦出厂开到大街上，就会吸进空气，排出有毒气体。 |
| 4. | The modern city consists of monstrous edifices and of dark narrow streets full of petrol fumes , coal dust , and toxic gases .
现代城市是由大得怕人的大厦和充斥着难闻的汽油味，煤灰和有毒气体的又阴暗又狭窄的街道所组成。 |
| 5. | The cause of death is suffocation from the poisonous gas and
死因是被有毒气体窒息而死 |
| 6. | If ( it is ) burnt , rubber can give off a poisonous gas
橡胶如果燃烧起来，会发出有毒气体。 |
| 7. | Most residents who were injured suffered from smoke inhalation
很多居民因吸入太多有毒气体而住院。 |
| 8. | Chinese cities often seem wrapped in a toxic gray shroud
中国许多城市经常笼罩在一团灰色的有毒气体下。 |
| 9. | Determination of the toxic gases formed by detonation of industrial explosives
工业炸药爆炸后有毒气体含量的测定 |
| 10. | 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 |
