🧩 词语组成解析
a. 聚乙烯基的
n. 甲醛\\n[化] 甲醛
🗣️ 情景例句
All right.
行了。
He who has health has hope, and he who has hope has everything.
身体健壮就有希望，有了希望就有了一切。
There is a bottle on the table.
桌子上有个瓶子。