Metaformaldehyde
[化]变甲醛, 聚甲醛
🗣️ 情景例句
After I finish my homeword, I usually watch TV for half an hour or so.
我做完作业后，通常看半个小时的电视。
Silence is more eloquent than words.
沈默是更有说服力的言词。
Let 's go out and have a look at it.
走，我们去看看？