🧩 词语组成解析
a. 聚乙烯基的
n. 甲醛\\n[化] 甲醛
🗣️ 情景例句
Sure I could. It's my turn to treat.
我当然可以这样。轮到我请客了。
New York is famous for its tall buildings.
纽约以高楼大厦而闻名。
What's your plan for the summer vacation?
你暑假打算干什么？