Polyacrylonitrile
n. [化]聚丙烯腈
🗣️ 情景例句
Does that make any sence?
这样清楚了吗？
We are very interested in your printed pure silk scarves, could you give us some idea about your price?
我们对贵方的印花真丝围巾很感兴趣，请介绍一下贵方的价格好吗？
for even though it was still summer, it rained continually and it was often bitterly cold.
因为即使那时仍为夏季，但雨总是下个不停，而且常常冷得厉害。