🧩 词语组成解析
a. 聚乙烯基的
n. 甲醛\\n[化] 甲醛
🗣️ 情景例句
Could you knead the dough for me?
你能帮我揉面吗？
which direction is it to the theatre?
它哪个方向对剧院？
Well, I have a problem.
唉，我有一个难题。