Polyacrylics
聚丙烯酸化物; 聚丙烯酸化物
🗣️ 情景例句
I thought that was Nat Baker who rang the front doorbell.
我还以为是Nat Baker 按大门门铃呢。
How is Amy?
爱米好吗？
It suddenly dawned on me that this express was not roaring down the line at ninety miles an hour, but barely chugging along at thirty.
我突然感到这趟快车并没以时速90英里的速度呼啸前进，而是卟哧卟哧地向前爬行，时速仅30英里。