🧩 词语组成解析
a. 聚乙烯基的
n. 甲醛\\n[化] 甲醛
🗣️ 情景例句
What does John do?
John现在做什么事？
Feel free to bring your brother if he would like to come.
如果喜欢的话，你不妨带令兄一起来。
Go through the gate and you'll find the entrance to Bear Country on the other side.
穿过大门，你就可以在门那边找到通往熊国的入口了。