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
You shouldn't have.
不该这样破费的。
The bough that bears most, hangs lowest.
枝头结果越多，垂得越低。
Thanks. Oh, this is too small. Do you have a big piece, please?
谢谢。噢，这张太小了。请问你有一张大的吗？