有毒气体
有毒气体的用法和样例：
例句
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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
Foul or poisonous gas that sometimes pollutes the air in coal mines. -
现代城市是由大得怕人的大厦和充斥着难闻的汽油味，煤灰和有毒气体和又阴暗又狭窄的街道所组成。
The modern city consists of monstrous edifices and of dark narrow streets full of petrol fumes, coal dust, and toxic gases.
