polyesters ['pɒlɪˌestəz]

例句:

• Aliphatic polyesters are not used for fiber production, because of their low melting points.
  脂肪族聚酯没有用来生产纤维, 可能是熔点低的缘故.
  
• Article relates to the sucrose polyesters synthesized by sucrose and cottonseed oil.
  旨在研究和开发以棉籽油和蔗糖为主要原料合成蔗糖多酯的工艺路线.
  
• These unsaturated polyesters provide an excellent sanding foundation for further finishing steps.
  不饱和聚酯为其它涂层提供了很好的砂光基层.