元素的可燃性留下了深刻的印象，几个17世纪的化学家使用它制造了点火设备，但是结果是危险的易燃。
Impressed by the element's combustibility, several 17th century chemists used it to manufacture fire-lighting devices, but the results were dangerously inflammable.
PS易燃烧，但烧得很慢，同时产生乌黑的浓烟，通过加入添加剂可减少其可燃性。
Polystyrene burns easily but slowly, with development of thick sooty smoke. Inflammability can be reduced by addition of special additives.
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