Polypentamethylene azelamide
[化] 聚亞戊基壬二酰胺; 聚壬二酰戊二胺
??? 情景例句
What are your weaknesses?
你的缺點是什么？
What's your job?
你的工作是什么？
I would be very grateful for information about entry to your college.
若能寄給我貴校的入學申請材料我將十分感激。