1-- Is that a no-smoking sign?
 
2-- Yes, it is. As you know, some of the materials we use are highly-flammable so we have a very strict non-smoking policy in the factory.
 
1--What does that sign mean?
 
2-- It means there must be no naked flames or sparks anywhere near flammable materials. If the materials ignite, it could cause a serious fire and the fumes they give off can be very dangerous if you inhale them.
 
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注解：
 
1.no-smoking禁止吸烟
2.highly-flammable高度易燃
3.ignite点燃
 
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译文：
 
1--那是禁烟标志吗？
2--是。你知道，我们使用的一些材料高度易燃，因此在这个工厂我们的禁烟政策非常严。
1--那个标志什么意思？
2--它的意思是靠近易燃材料的地方必须没有明火或者火花。如果这些材料着火,可能引起严重的火灾，如果吸入释放出的烟尘非常危险。