Polyesters
(polyester 的复数) n. 聚酯\\n[化] 聚酯
🗣️ 情景例句
Practice tenses as much as possible.
操练各种时态。
They will miss him very much when he leaves home for the first time.
李明第一次离开家，他们会非常想念他的。
I'm fed up with my work!
我对工作烦死了！