Polyesters
(polyester 的复数) n. 聚酯\\n[化] 聚酯
🗣️ 情景例句
It's not difficult.
这不难。
I ask him to do the housework now.
我要求他现在做家务。
You remember my friend who helped me out?
你还记得曾经帮助我摆脱困境的那位朋友吗？