🧩 词语组成解析
a. 聚乙烯基的
n. 甲醛\\n[化] 甲醛
🗣️ 情景例句
Philip, I took Michelle to a school play
Philip,我带Michelle看过学校演出的
A courageous foe is better than a cowardly friend.
勇敢的敌人胜过懦怯的朋友。
I don't know what you're talking about.
我不知道您在说些什么。