Petp
abbr. polyethylene glycol terephthalate 聚对苯二甲酸乙二醇酯; polyethylene terephthalate 聚对酞酸乙二酯，聚对苯二甲酸乙二酯
🗣️ 情景例句
What's that, Mr. Carlson?
什么事， Carlson先生？
Would you mind opening the window?
你介意开窗吗？
Good. I 'm glad we're all done.
太好啦，我真高兴一切都成了。