Metaformaldehyde
[化]变甲醛, 聚甲醛
🗣️ 情景例句
The school was attended almost entirely by local children.
上这所学校念书的几乎全是当地的孩子。
Well begun is half done.
良好开端，功成一半。
The movie was pretty good.
那部电影非常好