Quaternization
(=quaternarization)季铵化作用, 成季碱反应
🗣️ 情景例句
We're right behind you.
我们都支持你。
When the tree is fallen, every one runs to it with his axe.
大树一倒下，人人持斧来。
Industrialized farming methods produce cheap meat products: beef, pork and chicken.
工业化的农作方式生产出廉价的肉类制品——牛肉、猪肉和鸡肉。