Poly(acrylic acid)
[化] 聚丙烯酸
🗣️ 情景例句
Hobbies are supposed to be relaxing.
业余爱好应该是令人放松的。
Let's fight one-on-one!
来单挑！
Many of them have to wait six months for their goods.
许多顾客不得不等上半年才得到所需的商品。