Methylolation
[化] 羟甲基化
🗣️ 情景例句
Tuesday or Wednesday.
星期二或者星期三。
Sorry, sir. But it's our graduation day.
对不起，不过，今天是毕业的日子嘛。
Summer holidays will begin next month.What are you going to do?
下个月暑假就开始了。你有什么打算？