pyranthrene

例句：

1. 1. Pyranthrene is a type of aromatichydrocarbon that is used in the productionof plastics and other materials.
   菲龙烷是一种芳香烃类化合物，用于生产塑料和其他材料。
2. 2. The chemical properties ofpyranthrene make it useful invarious industrial applications.
   菲龙烷的化学性质使其在各种工业应用中具有用途。
3. 3. Pyranthrene has been foundto have anti-inflammatory effects on thebody.
   研究发现，菲龙烷对人的身体具有抗炎作用。