pol·y·es·ter
noun/ˌpɒliˈestə(r)/
/ˈpɑːliestər/
[uncountable]- a strong material made of fibres (called polyesters) which are produced by chemical processes, often mixed with other materials and used especially for making clothes
聚酯（纤维）；涤纶 - a cotton and polyester shirt
涤棉混纺衬衫 - trousers made from a 50% cotton, 50% polyester mix
裤子由 50% 棉、50% 涤纶混纺制成
Oxford Collocations DictionaryPolyester is used before these nouns:- fibre
- pants
- a cotton and polyester shirt