Polytetramethylene azelamide
[化] 聚亚丁基壬二酰胺; 聚壬二酰丁二胺
🗣️ 情景例句
and he's very unhappy about not working.
他对没有工作感到怏怏不乐。
You won't believe it,but it was really cheap.
你不会相信的，但这条裤子确实很便宜。
Susan is saying goodbye to Xia Su.
苏珊在向夏素道别。