Polyesters
(polyester 的复数) n. 聚酯\\n[化] 聚酯
🗣️ 情景例句
Your buildings are very large, aren't they?
你们的厂房很大，对吗？
Relax!
放松一下！
But suppose the earth could be covered with sensors spaced one foot apart,
假设地球上可以布满传感器，每个相隔1英尺，