Quaternization
(=quaternarization)季铵化作用, 成季碱反应
🗣️ 情景例句
There's a time for everything.
事情要一件一件地做。
Stop it.
停住，住手！
I made your birthday cake last night, when you were in bed, Mrs Read answered.
“昨天晚上你睡觉时，我就做好了你的生日蛋糕，”里德夫人回答说。