Metaformaldehyde
[化]变甲醛, 聚甲醛
🗣️ 情景例句
Please sit down, Alexandra.
请坐 Alexandra。
They imagine, what he is doing.
她们在猜他所做的事。
His name is Carlos.We're going to get married next week.
他叫卡洛斯。下星期我们就要结婚了。