Dimethylation
二甲基化作用, 二甲基取代作用
🗣️ 情景例句
to join this man and this woman in holy matrimony.
见证这位男士和这位女士的神圣婚盟。
It's not my idea!
这主意不是我出的！
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时，供气管一直在排放氧气。