Quaternization
(=quaternarization)季铵化作用, 成季碱反应
🗣️ 情景例句
Yes, of course.
是的， 当然。
If it doesn't rain tomorrow,I think I'll go shopping.
如果明天不下雨，我将去购物。
That sounds like a good idea. I have a few friends I could ring to see if they're free.
听起来是个好主意。我可以打电话给我的几个朋友看看他们是否有空。