Polypentamethylene adipate
[化] 聚己二酸亚戊基酯
🧩 词语组成解析
己二酸
🗣️ 情景例句
for opening their home to me.
为我敞开大门。
Who called a while ago?
刚才谁在打电话？
It's a long story.
说来话长。