Poly(calcium acrylate)
[化] 聚丙烯酸钙
🗣️ 情景例句
I'd like to treat you to dinner and a movie.
我想请你吃饭和看一场电影。
What's the fare?
车费多少？
Good morning. I am. Everyone is here. No one is away.
早上好。我值日。大家都来了。没有人缺席。