Polyhexamethylene adipate
[化] 聚己二酸亚己基酯
🧩 词语组成解析
己二酸
🗣️ 情景例句
Hello, I'm glad to meet you. I've heard so much about you.
你好， 很高兴见到你。 久仰， 久仰。
What do you mean by that?
你这话是什么意思？
Yes. There are two.
是的，有两个。