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be made of polyester
be made of 后接材料名词；polyester 在服装语境中常译作“涤纶”。
This jacket is made of polyester.
这件夹克是涤纶做的。
聚酯
先理解核心含义，再看它在真实句子里的用法。
聚酯
a type of synthetic resin that is light, strong, and weather-resistant
This jacket is made of polyester.
这件夹克是涤纶做的。
任何单体通过酯键连接而成的聚合物。
Any polymer whose monomers are linked together by ester bonds
轻质、坚固、耐候的合成树脂
any of numerous synthetic resins; they are light and strong and weather resistant
由聚酯聚合物制成的材料或织物。
A material or fabric made from polyester polymer
用于制造纤维、树脂、塑料或作为增塑剂的复杂酯
a complex ester used for making fibers or resins or plastics or as a plasticizer
I bought a polyester shirt because it doesn't wrinkle easily.
我买了一件聚酯衬衫，因为它不容易起皱。
The sleeping bag is filled with polyester, which keeps you warm even when wet.
这个睡袋填充了聚酯，即使潮湿也能保暖。
Some polyesters are specially treated to resist stains.
有些聚酯经过特殊处理，可以防污渍。
be made of 后接材料名词；polyester 在服装语境中常译作“涤纶”。
This jacket is made of polyester.
这件夹克是涤纶做的。
polyester 可直接放在名词前作定语，表示“涤纶制的”。
She wore a polyester dress to the party.
她穿了一条涤纶连衣裙去参加聚会。
服装标签常用百分比说明成分，如 100% polyester 表示“纯涤纶”。
This sweater is 70% polyester.
这件毛衣是70%涤纶的。
Not this
This jacket is made by polyester.
Use this
This jacket is made of polyester.
表示“由某种材料制成”时用 made of/from，不用 made by；by 后接动作的执行者。
Not this
The shirt is made of polyesters.
Use this
The shirt is made of polyester.
polyester 作面料/材质时为不可数名词，不加复数；polyesters 只表示多种聚酯类产品。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
聚酯纤维织物
This jacket is made of lightweight polyester fabric.
这件夹克由轻质聚酯纤维织物制成。
聚酯纤维
Polyester fiber is commonly used in sportswear.
聚酯纤维常被用于运动服。
聚酯树脂
The boat hull is reinforced with polyester resin.
船体用聚酯树脂加固。
涤纶混纺织物
This cotton-polyester blend is easy to care for.
这种棉涤混纺织物容易打理。
聚酯衬衫
He wore a bright polyester shirt to the party.
他穿着一件亮色的聚酯衬衫去参加聚会。
聚酯服装
Polyester clothing dries quickly after washing.
聚酯服装洗后干得快。
米克·贾格尔、安迪·沃霍尔、涤纶、离婚
Billy Joel's 1989 hit "We Didn't Start the Fire" crams everything from Mick Jagger to polyester into one breathless verse.
比利·乔尔1989年的热门单曲《We Didn't Start the Fire》在急促的歌词里列举了从米克·贾格尔到涤纶的各种文化符号。
Use polyester naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 poly 想成“多”，ester 想成“酯”，多酯聚合成的材料就是聚酯。
语域：mixed 常见场景：服装与面料、化工与材料 该词在日常服装和工业材料语境中都会出现，整体属于中性偏正式的用词。日常购物或技术文献中都可能遇到，没有明显的口语或书面语限制。
与 polyester 押韵的词有 ester、fester、jester、Chester（都以 /ɛstɚ/ 结尾）。注意拼写相近但读音不同：oyster 读 /ˈɔɪstɚ/，monster 读 /ˈmɑːnstɚ/，元音不同，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.