polynorbornene

例句：

1. 1.This material is known for its high strength and resistance to wear.
   这种材料以其高强度和抗磨损能力而闻名。
2. 2. The polynorbornene composite has excellent thermal insulation properties.
   聚间苯撑二烯复合材料具有出色的热绝缘性能。
3. 3. Polynorbornene is used in the production of a wide range of engineering plastics.
   聚间苯撑二烯用于生产各种工程塑料。