phenylene

例句：

1. 1. This material is made from phenylene, which is a type of plastic.
   这种材料是由苯乙烯制成的，它是一种塑料。
2. 2. The chemical reaction between phenylene and water produces carbon dioxide gas.
   苯乙烯与水之间的化学反应产生二氧化碳气体。
3. 3. Phenylene is used in the production of polystyrene, a common material for packaging.
   苯乙烯用于生产聚苯乙烯，这是一种常见的包装材料。