Polyhexamethylene adipate
[化] 聚己二酸亚己基酯
🧩 词语组成解析
己二酸
🗣️ 情景例句
That's beautiful!
太完美了，真棒！
A new bicycle is out of the question - we can't afford it.
买新自行车的事谈不上 —— 我们买不起。
I'm sorry, but this week isn't very convenient for me.
对不起，这个星期我都不方便。