Polypentamethylene adipate
[化] 聚己二酸亚戊基酯
🧩 词语组成解析
己二酸
🗣️ 情景例句
Prices are always negotiable.
价钱总是可以商量的。
It's a long story.
说来话长。
Yes. I wouldn't go home early if I were you.
是的，如果我是你，我不会早回家。