Dimethylation
二甲基化作用, 二甲基取代作用
🗣️ 情景例句
but I've worked so hard on Family Album, U.S.A.,
但是我一直为Family Album, U.S.A.辛勤工作
One ploughs, another sow; who will reap no one knows.
有的耕，有的播，谁来收获很难说。
That fits the puzzle! It must be him!
这符合谜底，肯定是他。