Metaformaldehyde
[化]变甲醛, 聚甲醛
🗣️ 情景例句
I just solved the mystery.
我刚刚把那个谜底解开了。
The increase in sales is being maintained.
销售额持续增长。
but the means of escape from holiday hell(if the beach proves too crowded, the local weather too inclement)
而且也是逃离假日地狱（如海滩太挤，当地天气恶劣）的方便工具，