Poly(acrylic acid)
[化] 聚丙烯酸
🗣️ 情景例句
Are we ready to go?
我们可以开始了吗？
What is happening up there?
上面发生什么事情？
Hmm! That's a bit expensive. Can I try them on, please?
嗯！就是贵了一点儿。我可以试穿一下吗？