Polynonamethylene adipate
[化] 聚己二酸亚壬基酯
🧩 词语组成解析
己二酸
🗣️ 情景例句
Let's call room service and order a nice breakfast,
让我们打电话给房间服务部订一份可口的早餐。
When he plays football, he wears a uniform.
他踢足球的时候，也会穿着制服。
It was rather like an exhibition of prehistoric electronic equipment.
这儿倒像是在展览古老的电子设备。