Polypentamethylene adipate
[化] 聚己二酸亚戊基酯
🧩 词语组成解析
己二酸
🗣️ 情景例句
What room are you in, sir?
先生，您住几号房？
I know he will understand your letter.
我知道他会明白我的信。
Are there any jobs which women don't do?
有妇女不干的工作吗？