🧩 词语组成解析
a. 聚乙烯基的
n. 甲醛\\n[化] 甲醛
🗣️ 情景例句
May I ask who I am talking to?
请问你是谁？
You won't believe it,but it was really cheap.
你不会相信的，但这条裤子确实很便宜。
Tomorrow is christmas Eve, and my father and I went to choose a Christmas tree today.
明天是圣诞节前夜，今天我和父亲去选圣诞树。