Metaformaldehyde
[化]变甲醛, 聚甲醛
🗣️ 情景例句
How you doing?
你怎么样了？
May I refill your drink?
再喝一杯如何？
I live near an airport and passing planes can be heard night and day.
我住在一个机场附近，过往飞机日夜不绝于耳。