Polymethylene sebacamide
[化] 聚癸二酰甲二胺
🧩 词语组成解析
n. [化]聚亚甲基
🗣️ 情景例句
then I've got to do some thinking about
那么我就必须考虑考虑
Sadness and gladness succeed each other.
悲喜互继，哀乐相续。
small at first, narrowly contained within its banks,
开始很小，被紧紧地夹在两岸中间，