Polyacrylamide
[化] 聚丙烯酰胺
🗣️ 情景例句
The reviews were all right; it was the best performance I have ever seen.
那些评论写得很对，是我所见过表现最好的一次表演。
The children began to get across at each other.
孩子们开始争吵了。
He can't make it today. He has to stay at home.
他今天不行了。他得呆在家里。