Quaternization
(=quaternarization)季铵化作用, 成季碱反应
🗣️ 情景例句
Let's go to the movies.
我们去看电影吧。
Referring to your inquiry letter dated 29th September, we are offering you the following subject to our final confirmation.
关于贵方9月29日的询价信，我方就如下产品报价，以我方最后确认为准。
Are there any other other people on the island?
岛上有人（居住）吗？