Metaformaldehyde
[化]变甲醛, 聚甲醛
🗣️ 情景例句
How do you know so much about fishing?
你对钓鱼怎么知道这么多？
Don't speak all you know, but know all you speak.
不要尽言所知，而要尽知所言。
After I had had lunch at a village pub, I looked for my bag.
我在一家乡村小酒店吃过午饭后，就找我的提包。