Polynonanoylamide
[化] 聚壬酰胺; 尼龙-9
🗣️ 情景例句
I looked all over the house to find it.
我找遍了整间屋子才找到它。
Beautiful day, isn't it?
今天天气真好，是不是？
Oh, hello. Could I speak to Ann, please?
噢，喂。请安接电话好吗？