Dimethylation
二甲基化作用, 二甲基取代作用
🗣️ 情景例句
Everything you have said is find by me.
你所说的我都同意。
What time does the first train to Boston leave?
第一班去波士顿的列车什么时间开出呢？
OK!said Miss Yang kindly.Let's forget the whole thing.
“很好！”杨小姐宽厚地说，“让我们忘记全部的事情。”