Poly(hexamethylene adipamide)
[化] 聚己二酰己二胺; 尼龙-66
🗣️ 情景例句
The only-child generation brings about many new social problems.
独生子女一代带来了许多新的社会问题。
Have some decency!
正经点！
As soon as he had hung up, he went over to the workmen and told them that if a policeman ordered them to go away, they were not take him seriously.
挂上电话后，他又马上来到工人那儿，告诉他们若有个警察来让他们走开，不要把他当回事，