Poly(hexamethylene adipamide)
[化] 聚己二酰己二胺; 尼龙-66
🗣️ 情景例句
Thank you everyone. Thank you very much.
谢谢大家，非常感谢你们！
How far is it from the shore of the Atlantic to the mountains?
从大西洋海岸到山脉有多远？
That's all!
就这样！