Poly(acrylic acid)
[化] 聚丙烯酸
🗣️ 情景例句
Marilyn and Richard and the baby need the space.
Marilyn和Richard还有婴儿需要空间。
No, I heard she's married with two kids.
不，我听说她已使君有夫，还有两个孩子。
Before? After? said the doctor.
“饭前？饭后？”医生说。