Polynonamethylene adipamide
[化] 聚亚壬基己二酰胺; 聚己二酰壬二胺
🧩 词语组成解析
[化] 己二酰二胺
🗣️ 情景例句
It's a beautiful day.
今天天气真好。
A vaunter and a liar are near akin.
自诩和说谎，二者正相仿。
and throwing a holy wreath into the current in the winter.
冬天往河中抛撒一个冬表花环。