易燃材料

　　A: Is that a no-smoking sign?

　　A:那是禁烟标志吗？

　　B: 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.

　　B: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。

　　A:What does that sign mean?

　　A:那个标志什么意思？

　　B: 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.

　　B: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。