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
Time moved at a snail's pace before the holiday.
假期之前时间过得非常缓慢。
Have you got your cheque book with you?
您支票本带来了没有？
There was also a great deal of machinery on display.
参展的还有很多机器，