Acrolein polymer
[化] 丙烯醛类聚合物
🧩 词语组成解析
n. 丙烯醛\\n[化] 丙烯醛
🗣️ 情景例句
Richard, isn't that too much to ask of your mother?
Richard，那是不是太麻烦你母亲啦？
When did you go cooking?
你什么时候去做饭？
It's a pen.
一支钢笔。