Poly(tetramethylene adipamide)
[化] 聚己二酰丁二胺; 尼龙-46
🗣️ 情景例句
and I can give you and Mrs. Stewart a month of classes free.
我让你和你太太免费上一个月的课。
Surely.
肯定是。
Did you fight with others?
你又和别人打架了吗？