Polypentamethylene azelamide
[化] 聚亚戊基壬二酰胺; 聚壬二酰戊二胺
🗣️ 情景例句
I was late because I had a flat tire.
我来晚了，因为我的车坏了。
What is the coldest region in this country?
这个国家最冷的地带是哪里？
Is there anything else that I ought to get?
我还该弄点别的什么东西吗？