Methanide
[有化] 甲烷化物
🗣️ 情景例句
I promised you a surprise, didn't I?
我答应过要给你一件惊喜， 不是吗？
Habit is second nature.
习惯成自然。
I must go to the grocer's.We haven't got much tea or coffee, and we haven't got any sugar or jam.
我得去一下食品店。我们的茶叶和咖啡不多了，糖和果酱也没有了。