longifolene

例句：

1. 1.The longifolene in the oil is believed to have anti-inflammatory properties.
   这种油中的长链烯烃被认为具有抗炎性质。
2. 2. Longifolene is a type of polymer that is commonly used in plastics and rubber.
   长链烯是一种常用于塑料和橡胶的聚合物。
3. 3.In recent years, scientists have discovered new ways to synthesize longifolene from renewable resources.
   近年来，科学家们已经发现了从可再生资源中合成长链烯的新方法。