毒气有毒气的世界，蜘蛛有蜘蛛的世界。
我们必须查出毒气的来源。
一些毒气分子附着得比较厉害，以至于他们在圆柱中穿行的速度比其他分子慢得多。
Some gases stick more than others, and hence travel more slowly down the column.
浓烟中混合着未知的毒气，十分危险。
The smoke is thick, dangerous and contains an unknown mix of poisonous gases.
这个仪器能够检测出有毒气体的存在。
国际公约规定使用毒气是非法的。
The use of poison gas was outlawed by international convention.
这并不会产生有毒气体，那就是很大的区别。
This does not produce the poisonous gases, and that is the big difference.
用机器除去工厂里空气中的有毒气体。
The air in the work is purified of poisonous gases with the machine.
这些毒气会严重损害患者的呼吸系统。
These gases would seriously damage the patient's respiratory system.
这正是为什么运输规范要求在大多数有毒气体钢瓶上使用隔膜阀的原因。
This is why shipping regulations require diaphragm valves on most poisonous gas cylinders.
国际公约规定使用毒气是非法的。
The use of poison gas was outlawed by international convention .
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。
But, unlike any other geyser, this one erupted with a poisonous gas.
大量隧道火灾案例表明，烟气和毒气是人员窒息中毒伤亡的主要原因。
Many tunnel fire incidents show most people died from smoke choking and toxic gases.
一旦着火，聚苯乙烯彩钢板的夹芯会产生很多的有毒气体。
Once the fire, polystyrene color steel sandwich will produce a lot of toxic gases.
煤矿坑里的工人们为毒气所窒息。
嘴唇里有虺蛇的毒气。
嘴唇里有虺蛇的毒气。
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