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
I have been a poor student of foreign languages.
外语就学得不好。
I didn't catch that, Could you go over that again?
我没有听清楚，请你再说明一下好吗？
I can set up a tour next week.
我可以安排在下个礼拜参观。