Quaternization
(=quaternarization)季銨化作用, 成季堿反應
??? 情景例句
Yes, of course.
是的， 當然。
If it doesn't rain tomorrow,I think I'll go shopping.
如果明天不下雨，我將去購物。
That sounds like a good idea. I have a few friends I could ring to see if they're free.
聽起來是個好主意。我可以打電話給我的幾個朋友看看他們是否有空。