Quaternization
(=quaternarization)季铵化作用, 成季碱反应
🗣️ 情景例句
The first word sounds like no.
第一个字音像 no 。
What is done by night appears by day.
若要人不知，除非己莫为。
We endeavour to avoid the old, romantic idea of a gusher, which wastes oil and gas.
我们尽量避免使用陈旧天真的喷井方法，那样会浪费石油和天然气。