Metaformaldehyde
[化]变甲醛, 聚甲醛
🗣️ 情景例句
They're going to love it.
他们会喜欢的。
He might have been held up in a traffic jam.
他可能因交通阻塞而耽搁了。
'I can't hear a word!' I said angrily.
“我一个字也听不见了！”