plastic可数吗复数

plastic本身是个不可数名词，但是加上s后表示各种各样的塑料材质。
例句：
Modern plastics can stand very high and very low temperatures.
新型塑料能承受很高和很低的温度。

扩展资料

　　They manufacture the class of plastics known as thermoplastic materials.

　　他们生产被称为热塑材料的塑料类制品。

　　Plastics has been used widely.

　　塑料已被广泛利用。

　　We advocate recycling papers and plastics.

　　我们提倡循环利用纸张和塑料。

　　Plastics will soften when exposed to heat.

　　塑料适当加热就可以软化。

　　Most plastics do not readily conduct heat or electricity.

　　大多数塑料不易传热或导电。