Poly(tetramethylene adipamide)
[化] 聚己二酰丁二胺; 尼龙-46
🗣️ 情景例句
We're also very glad to have practical business dealings with you.
我们也很高兴能和贵公司建立实质性的业务联系。
I'm gong to show him how to paint.
我正要指点他如何画画。
I have to raise some issues which may be embarrassing.
我必须提出一些比较尴尬的问题。