Poly(hexamethylene adipamide)
[化] 聚己二酰己二胺; 尼龙-66
🗣️ 情景例句
It's not a bad plan.
这是个不错的计划。
Please accept my congratulations on your recovery.
请接受我祝贺你康复。
The test finished. We began our holiday.
考试结束了，我们开始放假。